PartsTable TECHNICAL DATA SHEET
NSN 5325-01-042-0990Government record, cited

Ring, Retaining5325-01-042-0990

NSN 5325-01-042-0990 · NIIN 010420990
FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as  5325-01-042-0990 · 5325010420990 · NIIN 010420990 · 01-042-0990 · FSC 5325 Fastening Devices
Nearby stock numbers  ·
Features
  • Ring,retaining — FSC 5325
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Identification
  • NSN: 5325-01-042-0990
  • NIIN: 010420990
  • FSC: 5325 — Fastening Devices
  • FSG: 53 — Hardware and Abrasives
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-042-0990, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications
ParameterValue
NSN5325-01-042-0990
Item NameRing,retaining
FSC / FSG5325 / 53 — Fastening Devices
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL F — Mutilate — Cut
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
⇄ Related Items 2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-124-9020803-2177140 PART XX-07 POSSIBLE MATCH
PACKING,PREFORMED
Possible match (shared part number)Naval Sea Systems Command
5330-01-505-4213 POSSIBLE MATCH
SEAL RING,METAL
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
803-2177140-XX-07 3/1 Design control — primary reference
U.S. Government activity
Related Parts
5330-01-124-9020POSSIBLE MATCH
PACKING,PREFORMED
803-2177140 PART XX-07
5330-01-505-4213POSSIBLE MATCH
SEAL RING,METAL

Frequently Asked Questions

What is NSN 5325-01-042-0990?

NSN 5325-01-042-0990 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.

What NSN replaces 5325-01-042-0990?

2 possible matches (shared part number, not a government interchangeability claim): 5330-01-124-9020, 5330-01-505-4213. Verify interchangeability with system specifications before substitution.

What are the specifications of 5325-01-042-0990?

Key specifications for 5325-01-042-0990: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-042-0990 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.

What is the DEMIL code for NSN 5325-01-042-0990?

NSN 5325-01-042-0990 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.

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.
PartsTable Design LLC · partstable.com