Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,HEXAGON
NUT,SELF-LOCKING,HEXAGON
5310-00-616-5997 FSC 5310
NSN 5310-00-616-5997 (also written 5310006165997; NIIN 00-616-5997) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 16 manufacturer part numbers from 9 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)
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 |
|---|---|
| SPECIAL FEATURES FEAT | ROCKWELL C34-C41 HARDNESS RATING;LUBRICATED WITH KAYLUBE MOLYBDENUM DISULFIDE;THIS ITEM IS A CRITICAL SAFETY ITEM (CSI) AS NOTED BY DEMIL CODE |
| MATERIAL MATT | OVERALL STEEL COMP 8740 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 4130 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-6049 OR NATIONAL STD/SPEC 1ST MATERIAL RESPONSE A-S 6322 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 OR NATIONAL STD/SPEC 3RD MATERIAL RESPONSE A-S 6378 OR NATIONAL STD/SPEC 4TH MATERIAL RESPONSE A-S 6350 OR A-S 6370 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| BEARING SURFACE TYPE CRTM | CHAMFERED OR WASHER FACED |
| BEARING SURFACE FINISH CSXL | MICROINCHES 125.0 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE A-S-QQ--416,TYE II,CLASS 2 QQ--416 |
| SPECIFICATION/STANDARD DATA ZZZK | MANUFACTURERS STANDARD 26512-GN10U |
| THREAD QUANTITY PER INCH CMLP | 20 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.500 |
| CRITICALITY CODE JUSTIFICATION CRTL | ZZZK |
| TEMP RATING AZKQ | FAHRENHEIT MAXIMUM 450.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.741 AND INCHES MAXIMUM 0.752 |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.328 |
| END ITEM IDENTIFICATION AGAV | 1630-00-970-6671 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| NUT STYLE ACTA | — |
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 |
|---|---|---|
| GN10U820 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| GN10U820 | 70974 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| H10-8 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H10-8 | F6033 | TECNOTEC SARL |
| H10-8 | F7652 | KLX AEROSPACE SOLUTIONS II SAS |
| H10-8 | FB009 | BOEING DISTRIBUTION SERVICES SAS |
| H10-8 | U0625 | B-N GROUP LTD |
| H10E8 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| H10E8 | 5R793 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H10E8 | 70974 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| H10E8 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| H10E8 | F7652 | KLX AEROSPACE SOLUTIONS II SAS |
| H10E8 | FB009 | BOEING DISTRIBUTION SERVICES SAS |
| H10E8GN | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H10E8GN | 5R793 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H10E8GN | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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-Q-1403 | Sep 4, 2026 | Sep 15, 2026 | 1,131 | 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,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-616-5997/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-616-5997/