The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-310-1610, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Arvan, Inc. Dba Aerospace Division. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-310-1610 |
| Primary Part Number | HS14-1216 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Arvan, Inc. Dba Aerospace Division |
| Status | ACTIVE |
| Washer Outside Diameter | 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Width Across Flats | 0.927 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Washer Thickness | 0.185 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Surface Treatment | ZINC OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 3140 OR STEEL COMP 8740 NUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HS14-1216 PRIMARY | Arvan, Inc. Dba Aerospace Division (USA) |
NSN 5310-01-310-1610 is a Nut,self-Locking,extended Washer, manufactured by Arvan, Inc. Dba Aerospace Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-310-1610 has 1 manufacturer part number on file: HS14-1216 (Arvan, Inc. Dba Aerospace Division).
Key specifications for HS14-1216: Overall Height: 0.781 INCHES NOMINAL IN; Washer Outside Diameter: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Width Across Flats: 0.927 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.