Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,PLATE
NUT,SELF-LOCKING,PLATE
5310-01-190-4615 FSC 5310
NSN 5310-01-190-4615 (also written 5310011904615; NIIN 01-190-4615) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 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-2308 | 83 | Closes in 1d | 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 CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.280 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| OVERALL HEIGHT ABKW | INCHES MAXIMUM 0.745 |
| MOUNTING HOLE DIAMETER ABTB | INCHES MINIMUM 0.098 AND INCHES MAXIMUM 0.103 |
| NUT STYLE ACTA | — |
| NUT LENGTH ACVN | INCHES MAXIMUM 0.967 |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.422 |
| PLATE THICKNESS ADEB | INCHES NOMINAL 0.020 |
| PLATE WIDTH ADEC | INCHES MINIMUM 0.615 AND INCHES MAXIMUM 0.635 |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.187 |
| NUT MOUNTING PROVISION ADFP | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE ADFU | — |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER ADFW | INCHES MINIMUM 0.371 AND INCHES MAXIMUM 0.381 |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH ADFY | INCHES MINIMUM 0.750 AND INCHES MAXIMUM 0.754 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 450.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| FEATURES PROVIDED CBBL | FLOATING NUT |
| THREAD QUANTITY PER INCH CMLP | 28 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| MATERIAL MATT | NUT STEEL |
| MATERIAL MATT | SHELL IRON ALLOY 660 |
| MATERIAL MATT | SEAL RUBBER SILICONE CLASS Q OR RUBBER FLUOROSILICONE CLASS FQ |
| MATERIAL MATT | WASHER STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAL ASSN STD 1ST MATERIAL RESPONSE A-S 3304 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-R-25988 |
| SURFACE TREATMENT SFTT | NUT CADMIUM OR CHROMATE |
| SURFACE TREATMENT SFTT | WASHER CADMIUM AND CHROMATE |
| SURFACE TREATMENT SFTT | SHELL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | SHELL ASSN STD SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | WASHER FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 QQ--416 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2 QQ--416 |
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 |
|---|---|---|
| C4227E048-3 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| MF52348-4-3 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| NS202697G-048-3 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
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 23, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,265
Total demand
$1,265
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 23, 2026 | SPE4A626P0T82 ↗ | WESCO AIRCRAFT HARDWARE CORP. DBA INCORA | — | $1,265 |
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
WESCO AIRCRAFT HARDWARE CORP. DBA INCORA
last award Sep 2026
HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA
no award yet
no awards on record
Listed source WESCO AIRCRAFT HARDWARE CORP. DBA INCORA won the only award on record. WESCO AIRCRAFT HARDWARE CORP. DBA INCORA won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-2308 | Oct 13, 2026 | Oct 20, 2026 | 83 | Open | 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: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,PLATE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-190-4615/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-190-4615/