Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,ROUND
NUT,SELF-LOCKING,ROUND
5310-01-542-0162 FSC 5310
NSN 5310-01-542-0162 (also written 5310015420162; NIIN 01-542-0162) is a nut, self-locking, round in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Nov 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 |
|---|---|
| NUT STYLE ACTA | — |
| NUT DIAMETER ACTD | INCHES NOMINAL 0.891 |
| NUT THICKNESS ADBG | INCHES NOMINAL 0.300 |
| DRIVE POINT WIDTH ADBH | INCHES NOMINAL 0.193 |
| MATERIAL MATT | OVERALL STEEL COMP 4340 |
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 |
|---|---|---|
| 4502273 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY |
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
$595.82
Purchases
1
Total spend
$35,153
Nov 4, 2026
Last purchased
2 · 2.0/yr
Purchase records
$70,307
Total demand
$595.82
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 4, 2026 | 59 | $595.82 | $35,153 | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS (1Y249) | 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 |
|---|---|---|---|---|
| Nov 4, 2026 | SPE4A124G0043/SPE4A527F0667 ↗ | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS | — | $35,153 |
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
AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS
last award Nov 2026
RTX CORPORATION DIV PRATT & WHITNEY
no award yet
no awards on record
Listed source AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS won the only award on record. AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A5-26-T-458C | Sep 21, 2026 | Sep 28, 2026 | 59 | Cancelled | 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. "NUT,SELF-LOCKING,ROUND." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-542-0162/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-542-0162/