Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-00-382-7593 FSC 5310
NSN 5310-00-382-7593 (also written 5310003827593; NIIN 00-382-7593) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 17 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)
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.
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 SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.305 AND INCHES MAXIMUM 0.313 |
| HARDNESS RATING CQFM | ROCKWELL C MAXIMUM 48.0 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| COUNTERSINK ANGLE CRSQ | NUT DEGREES NOMINAL 90.0 |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES MINIMUM 0.047 |
| OVERALL HEIGHT ABKW | INCHES MAXIMUM 0.290 |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MAXIMUM 0.430 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD QUANTITY PER INCH CMLP | 28 |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
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 |
|---|---|---|
| 10121779 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 4023116 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 5310PL0723919 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 5310PL1730522 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 73916-428 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| H49513-4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| LH11189-4 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| LH11189-4 | 72962 | HARVARD INDUSTRIES INC |
| ST1334-10 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| ST2113-10 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| ST2113-10 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| ST2118 | 019L2 | ESNA, LLC |
| ST2118-10 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| ST2118-10 | 72962 | HARVARD INDUSTRIES INC |
| ST2118-10 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| ST2119-10 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| VN4718DF048 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
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 18, 2026
Last purchased
1 · 1.0/yr
Purchase records
$53,684
Total demand
$53,684
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 18, 2026 | SPE4A623PQ759 ↗ | DEFENSE SUPPORT SERVICES, INC. | — | $53,684 |
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
DEFENSE SUPPORT SERVICES, INC.
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 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 JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source NIMIKKEISTOKESKUS NCB FINLAND
no award yet
no awards on record
Listed source RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
no award yet
no awards on record
Listed source DEFENSE SUPPORT SERVICES, INC. won the only award on record. DEFENSE SUPPORT SERVICES, INC. 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-382-7593/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-382-7593/