The Rivet,blind, cataloged under National Stock Number 5320-00-239-1286, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-239-1286 |
| Primary Part Number | GR500A4F |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Head Height | 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Fastener Length | 0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE STEM |
| Head Style | UNIVERSAL |
| Grip Length | 0.137 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING SHANK W/GROOVED END FOR LOCKING |
| Surface Treatment | CHROMATE STEM |
| Shear Strength | 493 SINGLE POUNDS PER SQUARE INCH |
| Material | ALUMINUM ALLOY 2024 STEM |
| Material | ALUMINUM ALLOY 5056 SLEEVE |
| Head Major Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| 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 |
|---|---|
| GR500A4F | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| AF461-4-13 | 5/2 Secondary reference U.S. Government activity |
| CKLP4F | 5/9 Secondary reference Huck Mfg Co |
| P4F | 5/9 Secondary reference Huck Mfg Co |
| 461-4-13 | 2/2 Government specification standardization U.S. Government activity |
| XP4F | 5/9 Secondary reference Huck Mfg Co |
NSN 5320-00-239-1286 is a Rivet,blind, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-239-1286 has 1 manufacturer part number on file: GR500A4F (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-311-2291. Verify interchangeability with system specifications before substitution.
Key specifications for GR500A4F: Shank Diameter: 0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN; Head Height: 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN; Fastener Length: 0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W. 13 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.