The Eyelet,metallic, cataloged under National Stock Number 5325-01-015-5836, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Edwin B. Stimpson Company, Inc. Dba Stimpson. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-015-5836 |
| Primary Part Number | A2231 |
| Item Name | Eyelet,metallic |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Edwin B. Stimpson Company, Inc. Dba Stimpson |
| Status | ACTIVE |
| Flange Outside Diameter | 0.196 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Barrel Outside Diameter | 0.120 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN |
| Flange Style | FLANGE |
| Barrel Style | STRAIGHT ROUND TYPE |
| Barrel Height | 0.432 INCHES MINIMUM AND 0.442 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 |
NSN 5325-01-015-5836 is a Eyelet,metallic, manufactured by Edwin B. Stimpson Company, Inc. Dba Stimpson, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-015-5836 has 2 manufacturer part numbers on file: A2231 (Edwin B. Stimpson Company, Inc. Dba Stimpson), 10521 (Aimtron Systems, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5999-01-040-6124, 4470-01-059-8386, 6530-01-139-9453. Verify interchangeability with system specifications before substitution.
Key specifications for A2231: Flange Outside Diameter: 0.196 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Surface Treatment: NICKEL OVERALL; Barrel Outside Diameter: 0.120 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 6 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.