The Ring,retaining, cataloged under National Stock Number 5325-00-200-0607, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,retaining |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Smalley Steel Ring Co. (CAGE 51814); Us Army Aviation and Missile Command (CAGE 18876) |
| Parameter | Value |
|---|---|
| NSN | 5325-00-200-0607 |
| Primary Part Number | 9177346-17 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| 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 |
|---|---|
| WH-137-S02 | Smalley Steel Ring Co. (USA) |
| 9177346-17 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| RR-137-S | 3/2 Design control — primary reference U.S. Government activity |
| 3415-137S | 5/2 Secondary reference U.S. Government activity |
| RD15951-137S | 7/2 Vendor item drawing reference Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
NSN 5325-00-200-0607 is a Ring,retaining, manufactured by Us Army Aviation and Missile Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-200-0607 has 2 manufacturer part numbers on file: WH-137-S02 (Smalley Steel Ring Co.), 9177346-17 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 5325-00-200-5210, 5325-01-612-9625. Verify interchangeability with system specifications before substitution.
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.