Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,HEXAGON
NUT,SELF-LOCKING,HEXAGON
5310-00-243-4738 FSC 5310
NSN 5310-00-243-4738 (also written 5310002434738; NIIN 00-243-4738) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 6 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-3881 | 869 | Closes in 2d | Bid → |
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 |
|---|---|
| THREAD QUANTITY PER INCH CMLP | 14 |
| SPECIFICATION/STANDARD DATA ZZZK | MANUFACTURERS STANDARD 81205-BACN10BY |
| BEARING SURFACE TYPE CRTM | CHAMFERED OR WASHER FACED |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED STD ALL MATERIAL RESPONSES 66 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 QQ--416 |
| NOMINAL THREAD SIZE CQJX | INCHES 1.000 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 1.427 AND INCHES MAXIMUM 1.440 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| HARDNESS RATING CQFM | ROCKWELL C MAXIMUM 48.0 |
| THREAD SERIES BZRR | UNS |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION ABAJ | SOLUBLE LUBRICANT |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.578 |
| MATERIAL MATT | OVERALL STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 |
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 |
|---|---|---|
| 47FT1614 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 55LH7644-164 | 72962 | HARVARD INDUSTRIES INC |
| 55LH7644-164 | 72966 | ENGLEWOOD ELECTRICAL SUPPLY CO |
| BACN10BY517 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| BMN4122A17 | 97928 | HUCK INTL INC |
| LH7644-164 | 72962 | HARVARD INDUSTRIES 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
—
—
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 — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-3881 | Oct 14, 2026 | Oct 21, 2026 | 869 | Open | View at DIBBS → |
| SPE4A6-26-T-35PZ | Sep 23, 2026 | Oct 6, 2026 | 344 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-243-4738/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-243-4738/