Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,BARREL
NUT,SELF-LOCKING,BARREL
5310-00-551-6313 FSC 5310
NSN 5310-00-551-6313 (also written 5310005516313; NIIN 00-551-6313) is a nut, self-locking, barrel in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-27-T-1848 | 98 | Closes in 1d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| THREAD CLASS AAJD | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT FED STD 2ND MATERIAL RESPONSE 66 |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.618 |
| THREAD SERIES BZRR | UNF |
| THREAD QUANTITY PER INCH CMLP | 20 |
| NUT DIAMETER ACTD | INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.750 |
| NUT LENGTH ACVN | INCHES NOMINAL 0.750 |
| BARREL HEIGHT ADBA | INCHES NOMINAL 0.457 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.438 |
| SURFACE TREATMENT SFTT | NUT CADMIUM |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL MATT | NUT STEEL COMP 4130 |
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 |
|---|---|---|
| 2452-070 | 019L2 | ESNA, LLC |
| 2452-070 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 2452-070 | 72962 | HARVARD INDUSTRIES INC |
| 2452-070 | A0170 | LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE |
| BN00924-070 | 27238 | BRISTOL INDUSTRIES, LLC |
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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-1848 | Oct 13, 2026 | Oct 20, 2026 | 98 | Open | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,BARREL." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-551-6313/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-551-6313/