Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,PLATE
NUT,SELF-LOCKING,PLATE
5310-00-688-1998 FSC 5310
NSN 5310-00-688-1998 (also written 5310006881998; NIIN 00-688-1998) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.630 |
| FEATURES PROVIDED CBBL | FLOATING NUT |
| PLATE THICKNESS ADEB | INCHES MAXIMUM 0.115 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | SHELL MIL SPEC 2ND TREATMENT RESPONSE -IL-A-8625 OR MIL SPEC 2ND TREATMENT RESPONSE -IL-C-5541 OR FED SPEC 2ND TREATMENT RESPONSE QQ--416 TY 2 CL 1 OR FED SPEC 2ND TREATMENT RESPONSE QQ--416 TY 2 CL 2 OR FED SPEC 2ND TREATMENT RESPONSE QQ--416 TY 2 CL 3 QQ--416 |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH ADFY | INCHES MINIMUM 1.248 AND INCHES MAXIMUM 1.252 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 250.0 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| MOUNTING HOLE DIAMETER ABTB | INCHES MINIMUM 0.161 AND INCHES MAXIMUM 0.166 |
| NUT STYLE ACTA | — |
| NOMINAL THREAD SIZE CQJX | INCHES 0.500 |
| COUNTERSINK ANGLE CRSQ | NUT DEGREES NOMINAL 120.0 |
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| SURFACE TREATMENT SFTT | SHELL ANODIZE OR CHROMATE OR CADMIUM |
| NUT LENGTH ACVN | INCHES MAXIMUM 1.602 |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER ADFW | INCHES NOMINAL 0.625 |
| PLATE WIDTH ADEC | INCHES MAXIMUM 0.859 |
| NUT MOUNTING PROVISION ADFP | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE ADFU | — |
| MATERIAL MATT | SHELL ALUMINUM ALLOY OR STEEL |
| SURFACE TREATMENT SFTT | NUT CADMIUM |
| THREAD QUANTITY PER INCH CMLP | 20 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT FED SPEC 1ST TREATMENT RESPONSE QQ--416 TY 2 CL 1 OR FED SPEC 1ST TREATMENT RESPONSE QQ--416 TY 2 CL 2 OR FED SPEC 1ST TREATMENT RESPONSE QQ--416 TY 2 CL 3 QQ--416 |
| THREAD CLASS AAJD | 3B |
| MATERIAL MATT | NUT STEEL |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| THREAD DIRECTION AAJF | RIGHT-HAND |
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 |
|---|---|---|
| 879363-00 | 32345 | DEFENSE REDUCTION AGENCY |
| FNA401Q-080 | 72962 | HARVARD INDUSTRIES INC |
| MILN25027 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS21077-8 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| NAS1031N8 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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 — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-32DJ | Sep 18, 2026 | Sep 25, 2026 | 70 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,PLATE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-688-1998/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-688-1998/