The Ring,retaining, cataloged under National Stock Number 5325-00-283-7409, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Sicard a Division of Smi-Snowblast Inc Dba Sicard. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-283-7409 |
| Primary Part Number | 9139719 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Sicard a Division of Smi-Snowblast Inc Dba Sicard |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material Document and Classification | SAE 1060 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.121 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Inside Diameter | 4.887 INCHES MINIMUM AND 4.947 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Material | STEEL |
| 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 |
|---|---|
| 9139719 PRIMARY | Sicard a Division of Smi-Snowblast Inc Dba Sicard (USA) |
| 09139719 | Eagle Airfield Equipment Limited (GBR) |
| Reference | Meaning |
|---|---|
| 9139719 | 5/9 Secondary reference Reliance-Mercury Ltd |
| 5100-525 | 5/9 Secondary reference The Timken Corporation |
| 5100-525 | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| WH300000 ITEM 044 | 5/9 Secondary reference Power Engineering and Manufacturing, Ltd. Dba Power Engineering & Manufacturing Ltd |
NSN 5325-00-283-7409 is a Ring,retaining, manufactured by Sicard a Division of Smi-Snowblast Inc Dba Sicard, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-283-7409 has 2 manufacturer part numbers on file: 9139719 (Sicard a Division of Smi-Snowblast Inc Dba Sicard), 09139719 (Eagle Airfield Equipment Limited).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-243-6722. Verify interchangeability with system specifications before substitution.
Key specifications for 9139719: Usage Design: EXTERNAL; Material Document and Classification: SAE 1060 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.121 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN. 8 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.