Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,CASTELLATED,HEX
NUT,SELF-LOCKING,CASTELLATED,HEX
5310-01-027-9392 FSC 5310
NSN 5310-01-027-9392 (also written 5310010279392; NIIN 01-027-9392) is a nut, self-locking, castellated, hex in Federal Supply Class 5310, Nuts and Washers. 3 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 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.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
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 |
|---|---|
| THREAD CLASS AAJD | 2B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.445 |
| WIDTH ACROSS FLATS ASDB | INCHES NOMINAL 0.940 |
| THREAD SERIES BZRR | UNF |
| THREAD QUANTITY PER INCH CMLP | 18 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.625 |
| BEARING SURFACE TYPE CRTM | CHAMFERED |
| SPECIAL FEATURES FEAT | WASHER SUPPLIED WITH NUT |
| 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 |
|---|---|---|
| 42-90-2188 | 55683 | WHEELER FLEET SOLUTIONS, CO. |
| 90-2188 | 24975 | PRESTOLITE ELECTRIC INC |
| 90-2188 | 68505 | PRESTOLITE ELECTRIC INC |
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
$6.00
Purchases
1
Total spend
$900.00
Sep 15, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,800
Total demand
$6.00
Latest unit price
Purchase history
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 |
|---|---|---|---|---|
| Sep 15, 2026 | SPE4A626P0W20 ↗ | — | — | $900.00 |
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
CAGE 1N0P1
last award Sep 2026
PRESTOLITE ELECTRIC INC
no award yet
no awards on record
Listed source PRESTOLITE ELECTRIC INC
no award yet
no awards on record
Listed source WHEELER FLEET SOLUTIONS, CO.
no award yet
no awards on record
Listed source CAGE 1N0P1 won the only award on record. CAGE 1N0P1 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-15GK | Aug 12, 2026 | Aug 24, 2026 | 150 | 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: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,CASTELLATED,HEX." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-027-9392/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-027-9392/