Acquisition method (AMC)
1
FSC 5310 × NUT,PLAIN,SLOTTED,HEXAGON
NUT,PLAIN,SLOTTED,HEXAGON
5310-00-273-5873 FSC 5310
NSN 5310-00-273-5873 (also written 5310002735873; NIIN 00-273-5873) is a nut, plain, slotted, hexagon in Federal Supply Class 5310, Nuts and Washers. 11 manufacturer part numbers from 8 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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| NOMINAL THREAD SIZE CQJX | INCHES 0.750 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| SPECIAL FEATURES FEAT | DYED BROWN |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SPECIFICATION/STANDARD DATA ZZZK | MANUFACTURERS STANDARD 76301-ST3-404 |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.375 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 1.109 AND INCHES MAXIMUM 1.127 |
| TEMP RATING AZKQ | FAHRENHEIT MINIMUM 450.0 AND FAHRENHEIT MAXIMUM 800.0 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 |
| COUNTERSINK ANGLE CRSQ | NUT DEGREES NOMINAL 110.0 |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| THREAD CLASS AAJD | 3B |
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| THREAD QUANTITY PER INCH CMLP | 16 |
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 |
|---|---|---|
| 10121229 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 3D0236C12 | 88277 | THE BOEING COMPANY |
| 74640C12 | 50392 | SPS TECHNOLOGIES INC |
| 74640C12 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 9343C12 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| E10080-12 | 019L2 | ESNA, LLC |
| E10080-12 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| E10080-12 | 72962 | HARVARD INDUSTRIES INC |
| ST3M404C12 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| ST3M404C12 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| ST3M404C12 | 92595 | NELSON STUD WELDING, 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
—
Purchases
0
Total spend
—
Sep 29, 2026
Last purchased
1 · 1.0/yr
Purchase records
$320.00
Total demand
$320.00
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 29, 2026 | SPE4A626PT597 ↗ | APOLLO AEROSPACE COMPONENTS LLC | — | $320.00 |
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
APOLLO AEROSPACE COMPONENTS LLC
last award Sep 2026
ESNA, LLC
no award yet
no awards on record
Listed source HARVARD INDUSTRIES INC
no award yet
no awards on record
Listed source NELSON STUD WELDING, INC
no award yet
no awards on record
Listed source NIMIKKEISTOKESKUS NCB FINLAND
no award yet
no awards on record
Listed source SPS TECHNOLOGIES INC
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source THE BOEING COMPANY
no award yet
no awards on record
Listed source APOLLO AEROSPACE COMPONENTS LLC won the only award on record. APOLLO AEROSPACE COMPONENTS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-23RF | Aug 27, 2026 | Sep 3, 2026 | 1 | 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: 2026-09-30.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,PLAIN,SLOTTED,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-273-5873/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-273-5873/