Acquisition method (AMC)
3
FSC 5310 × WASHER,SPRING TENSION
WASHER,SPRING TENSION
5310-01-151-4138 FSC 5310
NSN 5310-01-151-4138 (also written 5310011514138; NIIN 01-151-4138) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 NOMINAL 2.740 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 3.519 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.265 AND INCHES MAXIMUM 0.280 |
| MATERIAL THICKNESS ABPX | INCHES MAXIMUM 0.038 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 46.0 AND ROCKWELL C MAXIMUM 49.0 |
| MATERIAL MATT | OVERALL STEEL COMP 1075 OR STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD 1ST MATERIAL RESPONSE SAE OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-16113 |
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 |
|---|---|---|
| 400638-1-F | 50380 | RELIANCE ELECTRIC |
| 400638-1-F | 71956 | RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS |
| 400638001F | 54ZA4 | ABB MOTORS & MECHANICAL INC |
| 400638001F | 71956 | RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS |
| 801629-504 PC NO 44A | 71956 | RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS |
| 87230 PC 68 | 71956 | RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS |
| 87230 PIECE 68 | 50380 | RELIANCE ELECTRIC |
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
$10.26
Purchases
1
Total spend
$379.62
Sep 16, 2026
Last purchased
1 · 1.0/yr
Purchase records
$379.62
Total demand
$10.26
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | 37 | $10.26 | $379.62 | APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES (4X136) | 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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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
APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES
last award Sep 2026
ABB MOTORS & MECHANICAL INC
no award yet
no awards on record
Listed source RELIANCE ELECTRIC
no award yet
no awards on record
Listed source RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS
no award yet
no awards on record
Listed source APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES won the only award on record. APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-27NR | Sep 10, 2026 | Sep 17, 2026 | 37 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPRING TENSION." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-151-4138/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-151-4138/