The Ring,retaining, cataloged under National Stock Number 5325-01-270-3428, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5325-01-270-3428
Item Name
Ring,retaining
FSC / FSG
5325 / 53 — Fastening Devices
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4210-01-526-2977POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Possible match (shared part number)
4210-01-526-3000POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Possible match (shared part number)
4210-01-679-3542POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Possible match (shared part number)
4210-01-679-3646POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Possible match (shared part number)
4210-01-679-3660POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Possible match (shared part number)
4210-01-679-3673POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MS16624-3187
2/9Government specification standardization
U.S. Government activity
5100-187
C/1Advisory reference — outside the item-of-supply concept
Rotor Clip Company, Inc.
MIL-DTL-21248
4/1Identification reference
U.S. Government activity
CB90-43106ITEM169
5/1Secondary reference
U.S. Government activity
5100-187
5/9Secondary reference
Truarc Company Llc Dba Waldes Truarc
Related Parts
4210-01-526-2977POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-01-526-3000POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-01-679-3542POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-01-679-3646POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-01-679-3660POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-01-679-3673POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Frequently Asked Questions
What is NSN 5325-01-270-3428?
NSN 5325-01-270-3428 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
What NSN replaces 5325-01-270-3428?
6 possible matches (shared part number, not a government interchangeability claim): 4210-01-526-2977, 4210-01-526-3000, 4210-01-679-3542. Verify interchangeability with system specifications before substitution.
What are the specifications of 5325-01-270-3428?
Key specifications for 5325-01-270-3428: Special Features: READY FOR BACK TRANSFER; J6R; 4-23-2008.. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5325-01-270-3428 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.