The Washer,lock, cataloged under National Stock Number 5310-01-687-3250, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Nord Lock Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-687-3250 |
| Primary Part Number | NL1/2" |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Nord Lock Inc |
| Status | ACTIVE |
| Outside Diameter | 19.50 MILLIMETERS NOMINAL MM |
| Hole Diameter | 13.50 MILLIMETERS NOMINAL MM |
| Hardness Rating | 72.0 ROCKWELL A MINIMUM AND 79.0 ROCKWELL A MAXIMUM |
| Style Designator | TWO PIECE INTERLOCKING |
| Surface Treatment | ZINC OVERALL |
| Surface Treatment Document and Classification | ISO 2081 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NL1/2" | Nord Lock Inc (USA) |
| 12422608-018 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-01-687-3250 is a Washer,lock, manufactured by Nord Lock Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-687-3250 has 2 cross-referenced part numbers: NL1/2" (Nord Lock Inc), 12422608-018 (U S Army Tank Automotive Command Amsta-Im-Mm).
There are 2 known substitutes for 5310-01-687-3250: 4930-01-144-5247, 5310-01-501-7515. Verify interchangeability with system specifications before substitution.
Key specifications for NL1/2": Overall Height: 2.50 MILLIMETERS NOMINAL MM; Outside Diameter: 19.50 MILLIMETERS NOMINAL MM; Hole Diameter: 13.50 MILLIMETERS NOMINAL MM; End Item Identification: 2350-01-668-1220. 10 total characteristics are documented in the Federal Logistics Information System.