The Eyelet,metallic, cataloged under National Stock Number 5325-00-682-7573, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-682-7573 |
| Primary Part Number | 331C264H28 |
| Item Name | Eyelet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B545 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Barrel Largest Outside Diameter | 0.158 INCHES MAXIMUM IN |
| Surface Treatment | TIN OVERALL |
| Barrel Outside Diameter | 0.147 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 260 OVERALL |
| Flange Style | FLANGE |
| Barrel Style | TAPERED ROUND TYPE |
| Barrel Height | 0.555 INCHES MINIMUM AND 0.571 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 |
|---|---|
| 331C264H28 | Northrop Grumman Support Services Corp (USA) |
| 331C264H28 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 331C264H28 | 5/9 Secondary reference U.S. Government activity |
| S5685 | 3/9 Design control — primary reference Rps-Fl, Inc. Dba Rps Inc |
NSN 5325-00-682-7573 is a Eyelet,metallic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-682-7573 has 2 manufacturer part numbers on file: 331C264H28 (Northrop Grumman Support Services Corp), 331C264H28 (Westinghouse Electric Corp).
Key specifications for 331C264H28: Surface Treatment Document and Classification: ASTM B545 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN; Barrel Largest Outside Diameter: 0.158 INCHES MAXIMUM IN; Surface Treatment: TIN OVERALL. 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.