Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,HEXAGON
NUT,SELF-LOCKING,HEXAGON
5310-01-050-1104 FSC 5310
NSN 5310-01-050-1104 (also written 5310010501104; NIIN 01-050-1104) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 15 manufacturer part numbers from 9 suppliers are on record. No purchases are on record yet.
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)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.328 |
| END ITEM IDENTIFICATION AGAV | E-3A; W/S: HELICOPTER, CHINOOK, CH-47; SUPPORT EQUIPMENT, C-135 AIRCRAFT; AIRCRAFT, STRATOLIFTER C-135; ENGINE, AIRCRAFT, TF33-100 (E3A/B/C); AIRCRAFT, AWACS, E-3A; AIRCRAFT MH-47E SPECIAL OPERATIONS AIRCRAFT |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.752 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 900.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 20 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 32.0 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.500 |
| BEARING SURFACE TYPE CRTM | FLAT |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 CO- A286 |
| PRECIOUS MATERIAL AND LOCATION PMLC | SILVER ALL SIRFACES |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE -S2410 |
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 |
|---|---|---|
| 101LH9074-8 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 109LH9074-8 | 72962 | HARVARD INDUSTRIES INC |
| 69235-820CM | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| BACN10JC8C | 81205 | THE BOEING COMPANY DIV DEFENSE |
| BACN10JC8CM | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| BACN10JC8CM | 17446 | HUCK INTERNATIONAL, INC |
| BACN10JC8CM | 52828 | REPUBLIC FASTENER MFG. CORP. DBA ARCONIC FASTENING SYSTEMS |
| BACN10JC8CM | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| BACN10JC8CM | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| BACN10JC8CM | 81205 | THE BOEING COMPANY DIV DEFENSE |
| BACN10JC8CM | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| BMN4122C1D2-8 | 17446 | HUCK INTERNATIONAL, INC |
| BMN4122C1D2-8 | 97928 | HUCK INTL INC |
| H01-8BAC | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H31-8BAC | 15653 | HOWMET GLOBAL FASTENING SYSTEMS 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 — 4 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-5612 | Oct 21, 2026 | Oct 28, 2026 | 4,375 | Expired | View at DIBBS → |
| SPE4A6-27-T-2104 | Oct 13, 2026 | Oct 20, 2026 | 4,375 | Cancelled | View at DIBBS → |
| SPE4A6-26-U-4093 | Sep 9, 2026 | Sep 23, 2026 | 2,868 | Expired | View at DIBBS → |
| SPE4A6-26-U-3342 | Aug 25, 2026 | Sep 8, 2026 | 2,868 | 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/5310-01-050-1104/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-050-1104/