Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,PLATE
NUT,SELF-LOCKING,PLATE
5310-01-216-3999 FSC 5310
NSN 5310-01-216-3999 (also written 5310012163999; NIIN 01-216-3999) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 11 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Nov 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 |
|---|---|
| THREAD CLASS AAJD | 2B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH METALLIC INSERT |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.196 AND INCHES MAXIMUM 0.202 |
| MOUNTING HOLE DIAMETER ABTB | INCHES MINIMUM 0.128 AND INCHES MAXIMUM 0.135 |
| NUT STYLE ACTA | — |
| NUT LENGTH ACVN | INCHES MINIMUM 0.975 AND INCHES MAXIMUM 0.995 |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.780 AND INCHES MAXIMUM 0.820 |
| PLATE THICKNESS ADEB | INCHES MINIMUM 0.050 AND INCHES MAXIMUM 0.070 |
| PLATE WIDTH ADEC | INCHES MINIMUM 0.386 AND INCHES MAXIMUM 0.406 |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.350 AND INCHES MAXIMUM 0.410 |
| NUT MOUNTING PROVISION ADFP | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE ADFU | — |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER ADFW | INCHES NOMINAL 0.344 |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH ADFY | INCHES MINIMUM 0.686 AND INCHES MAXIMUM 0.690 |
| THREAD SERIES BZRR | UNF |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY 6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-A-12545 T6 |
| SURFACE TREATMENT SFTT | OVERALL ANODIZE OR CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL MIL SPEC 1ST TREATMENT RESPONSE -IL-A-8625 TY 1 OR MIL SPEC 2ND TREATMENT RESPONSE -IL-C-5541 |
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 |
|---|---|---|
| BACN10M53-8 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| BACN10MS3-8 | 77272 | THE BOEING COMPANY |
| BACN10MS3-8 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| BACN10TL3-8 | 60119 | MONADNOCK COMPANY, THE DBA LISI AEROSPACE |
| BACN10TL3-8 | 6D154 | HARTWELL CORPORATION |
| BACN10TL3-8 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| BACN10TL3-8 | 83014 | HARTWELL CORPORATION |
| WS1-4-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV |
| WS15-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV |
| WSI-4-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV |
| WSI5-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV |
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
$3.11
Purchases
1
Total spend
$1,735
Nov 2, 2026
Last purchased
2 · 2.0/yr
Purchase records
$3,471
Total demand
$3.11
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | 558 | $3.11 | $1,735 | DEFENSE SUPPORT SERVICES, INC. (1L3U4) | Unknown | Source ↗ |
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 |
|---|---|---|---|---|
| Nov 2, 2026 | SPE4A627V1821 ↗ | DEFENSE SUPPORT SERVICES, INC. | — | $1,735 |
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
DEFENSE SUPPORT SERVICES, INC.
last award Nov 2026
ATLAS CORP WESTERN SKY INDUSTRIES DIV
no award yet
no awards on record
Listed source HARTWELL CORPORATION
no award yet
no awards on record
Listed source HARTWELL CORPORATION
no award yet
no awards on record
Listed source MONADNOCK COMPANY, THE DBA LISI AEROSPACE
no award yet
no awards on record
Listed source THE BOEING COMPANY
no award yet
no awards on record
Listed source THE BOEING COMPANY DIV DEFENSE
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-6384 | Oct 23, 2026 | Oct 30, 2026 | 558 | Expired | 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 23, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,PLATE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-216-3999/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-216-3999/