Acquisition method (AMC)
1
FSC 5310 × WASHER,SPRING TENSION
WASHER,SPRING TENSION
5310-01-155-3899 FSC 5310
NSN 5310-01-155-3899 (also written 5310011553899; NIIN 01-155-3899) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers 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 | MILLIMETERS NOMINAL 8.4 |
| OUTSIDE DIAMETER ABKV | MILLIMETERS NOMINAL 15.0 |
| MATERIAL THICKNESS ABPX | MILLIMETERS NOMINAL 0.8 |
| MATERIAL MATT | OVERALL STEEL |
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 |
|---|---|---|
| 10501761 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP |
| 10595 | 70655 | AUTO VEHICLE PARTS CO DBA AU-VE-CO |
| DIN137-A2L-B8 | D8286 | DIN DEUTSCHES INSTITUT FUR NORMUNG EV |
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
$0.09
Purchases
1
Total spend
$1,125
Oct 2, 2026
Last purchased
2 · 2.0/yr
Purchase records
$2,250
Total demand
$0.09
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | 12,501 | $0.09 | $1,125 | DIALOGIC CORP DBA DIALOGIC FASTENERS (0NFB8) | 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 |
|---|---|---|---|---|
| Oct 2, 2026 | SPE4A627V0152 ↗ | DIALOGIC CORP DBA DIALOGIC FASTENERS | — | $1,125 |
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
DIALOGIC CORP DBA DIALOGIC FASTENERS
last award Oct 2026
AUTO VEHICLE PARTS CO DBA AU-VE-CO
no award yet
no awards on record
Listed source DIN DEUTSCHES INSTITUT FUR NORMUNG EV
no award yet
no awards on record
Listed source GENERAL DYNAMICS LAND SYSTEMS CANADACORP
no award yet
no awards on record
Listed source DIALOGIC CORP DBA DIALOGIC FASTENERS won the only award on record. DIALOGIC CORP DBA DIALOGIC FASTENERS won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-37PY | Sep 29, 2026 | Oct 6, 2026 | 12,501 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPRING TENSION." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-155-3899/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-155-3899/