Acquisition method (AMC)
1
FSC 5310 × WASHER,SPRING TENSION
WASHER,SPRING TENSION
5310-01-270-6369 FSC 5310
NSN 5310-01-270-6369 (also written 5310012706369; NIIN 01-270-6369) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.255 AND INCHES MAXIMUM 0.285 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.470 AND INCHES MAXIMUM 0.500 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.033 AND INCHES MAXIMUM 0.043 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.024 AND INCHES MAXIMUM 0.026 |
| MATERIAL MATT | OVERALL STEEL COMP 302 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5059 1 TO 2H |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- A380 |
| STYLE DESIGNATOR STYL | — |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| M12133/2-255 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-W-12133/2 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$0.50
Purchases
3
Total spend
$5,118
Oct 5, 2026
Last purchased
7 · 7.0/yr
Purchase records
$10,469
Total demand
$0.50
Latest unit price
Price history with quantity and a typical range
What has the government paid for this item, and was any award out of line? Every award as a dot, Aug 2026 to today.
- Award (bigger dot, bigger quantity)
- Middle half of prices
Most awards fall between $0.31 and $0.67.
Award price calculator
What do the last few awards average, and over what range? Choose how many awards to include.
Average unit price$0.48
Weighted by quantity$0.18
Observed range$0.11 – $0.83
Window coveredAug 2026 – Oct 2026
| Awarded | Quantity | Unit price | Supplier |
|---|---|---|---|
| Oct 2026 | 1,786 | $0.50 | KAREN CARLISLE DBA B & K AEROSPACE |
| Sep 2026 | 1,786 | $0.83 | J. T. D. STAMPING CO INC |
| Aug 2026 | 24,935 | $0.11 | J. T. D. STAMPING CO INC |
Shaded rows are included. This reports past awards and does not suggest a price.
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | 1,786 | $0.50 | $893.00 | KAREN CARLISLE DBA B & K AEROSPACE (8A1E8) | Unknown | Source ↗ |
| Sep 14, 2026 | 1,786 | $0.83 | $1,482 | J. T. D. STAMPING CO INC (6R888) | Unknown | Source ↗ |
| Aug 12, 2026 | 24,935 | $0.11 | $2,743 | J. T. D. STAMPING CO INC (6R888) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 10, 2026 | SPE7M226V4725 ↗ | BOEING DISTRIBUTION SERVICES X, INC. | — | $232.18 |
| Aug 12, 2026 | SPE7M226V4768 ↗ | J. T. D. STAMPING CO INC | — | $2,743 |
| Sep 14, 2026 | SPE7M226P3963 ↗ | J. T. D. STAMPING CO INC | — | $1,482 |
| Oct 5, 2026 | SPE7M227V0026 ↗ | KAREN CARLISLE DBA B & K AEROSPACE | — | $893.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 24 days from posting to award.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
KAREN CARLISLE DBA B & K AEROSPACE
last award Oct 2026
J. T. D. STAMPING CO INC
last award Sep 2026
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source J. T. D. STAMPING CO INC won 2 of the last 3 awards. KAREN CARLISLE DBA B & K AEROSPACE and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M2-26-T-6756 | Sep 10, 2026 | Sep 24, 2026 | 1,786 | Expired | View at DIBBS → |
| SPE7M2-26-T-6411 | Aug 21, 2026 | Sep 3, 2026 | 1,786 | Expired | View at DIBBS → |
| SPE7M2-26-T-5969 | Aug 4, 2026 | Aug 14, 2026 | 24,935 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPRING TENSION." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-270-6369/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-270-6369/