Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,SINGLE BALL SEA
NUT,SELF-LOCKING,SINGLE BALL SEA
5310-00-840-4269 FSC 5310
NSN 5310-00-840-4269 (also written 5310008404269; NIIN 00-840-4269) is a nut, self-locking, single ball sea in Federal Supply Class 5310, Nuts and Washers. 12 manufacturer part numbers from 10 suppliers are on record. It was last purchased in Oct 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 0.250 |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.230 |
| MATERIAL MATT | OVERALL STEEL |
| THREAD SERIES BZRR | UNF |
| THREAD QUANTITY PER INCH CMLP | 28 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| BALL SEAT RADIUS ACTC | INCHES NOMINAL 0.305 |
| NUT STYLE ACTA | — |
| WIDTH ACROSS FLATS ASDB | INCHES NOMINAL 0.308 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| THREAD CLASS AAJD | 3B |
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 |
|---|---|---|
| 52LH6073-048 | 72962 | HARVARD INDUSTRIES INC |
| 53488-428 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| BACN10MT4 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| BACN10NZ4 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| H19700P4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| TLN1020-4 | 17446 | HUCK INTERNATIONAL, INC |
| TLN1020-4 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS |
| TLN1020-4 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| TLN1020-4 | 59563 | REID PRODUCTS INC. DBA REID PRODUCTS INC |
| TLN1020-4 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| TLN1020-4 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
| TLN1020-4 | 97928 | HUCK INTL 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
—
Oct 13, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,742
Total demand
$1,742
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 |
|---|---|---|---|---|
| Oct 13, 2026 | SPE4AX25D5000/SPE4A227F0066 ↗ | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | — | $1,742 |
Demand history
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
LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS
last award Oct 2026
HARVARD INDUSTRIES INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
no award yet
no awards on record
Listed source HUCK INTERNATIONAL, INC
no award yet
no awards on record
Listed source HUCK INTL INC
no award yet
no awards on record
Listed source REID PRODUCTS INC. DBA REID PRODUCTS INC
no award yet
no awards on record
Listed source SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS won the only award on record. LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS won without being a listed source.
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 14, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-14.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,SINGLE BALL SEA." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-840-4269/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-840-4269/