The Insert,screw Thread, cataloged under National Stock Number 5325-01-631-4459, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-631-4459 |
| Primary Part Number | HS5831-4CN-500 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Length | 0.500 INCHES NOMINAL IN |
| Style Designator | COIL |
| Material Document and Classification | AMS 7245 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | SELF-LOCKING |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| HS5831-4CN-500 | Echelon Supply and Service, Inc. (USA) |
| HS5831-4CN-500 | The Boeing Company Div Services (USA) |
| HS5831-4CN-500 | Lynn Electronics Llc (USA) |
| HS5831-4CN-500 | Stanley Engineered Fastening Llc (USA) |
| HS5831-4CN-500 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS5831-4CN-500 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-631-4459 is a Insert,screw Thread, manufactured by The Boeing Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-631-4459 has 5 manufacturer part numbers on file: HS5831-4CN-500 (Echelon Supply and Service, Inc.), HS5831-4CN-500 (The Boeing Company Div Services), HS5831-4CN-500 (Lynn Electronics Llc), HS5831-4CN-500 (Stanley Engineered Fastening Llc), HS5831-4CN-500 (The Boeing Company).
Key specifications for HS5831-4CN-500: Length: 0.500 INCHES NOMINAL IN; Style Designator: COIL; Material Document and Classification: AMS 7245 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Features Provided: SELF-LOCKING. 9 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.