The Ring,retaining, cataloged under National Stock Number 5325-00-822-2136, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Satair A/s. Government technical data includes 11 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-822-2136 |
| Primary Part Number | 502711 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Satair A/s |
| Status | CANCELLED |
| Material Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Material Document and Classification | FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 3.091 INCHES MINIMUM AND 3.161 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | PE 1, CLASS 1 TYPE |
| Major Thickness | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 502711 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 5N5000-281 | C/1 Advisory reference — outside the item-of-supply concept Truarc Company Llc Dba Waldes Truarc |
| MS16625-1281 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-21248 | 5/9 Secondary reference U.S. Government activity |
| 502711 | 5/1 Secondary reference Renk America Llc Div Renk America |
| N1300-281CD | 5/9 Secondary reference Seeger Inc Anderton-United Products Div |
| 5365008222136 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 7414962 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| NAS50-281 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NAS669-281 | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-21248 | 4/1 Identification reference U.S. Government activity |
| 3000-X281-ST-CD | 5/9 Secondary reference U.S. Government activity |
| 5365008165379 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5325-00-822-2136 is a Ring,retaining, manufactured by Satair A/s, classified under FSC 5325, Fastening Devices. Status: cancelled.
NSN 5325-00-822-2136 has 1 manufacturer part number on file: 502711 (Satair A/s).
1 possible match (shared part number, not a government interchangeability claim): 2840-00-915-9756. Verify interchangeability with system specifications before substitution.
Key specifications for 502711: Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Material Document and Classification: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 11 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.
NSN 5325-00-822-2136 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.