PartsTable TECHNICAL DATA SHEET
NSN 5325-01-618-4412Government record, cited

Ring, Retaining5325-01-618-4412

NSN 5325-01-618-4412 · NIIN 016184412 · Part number 10041900
B. Hepworth and Co., Ltd. of Connecticut, Inc. · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 3RPC2
Government record, cited
NSN 5325-01-618-4412 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-618-4412. Manufacturer of record part number: 10041900.
Also searched as  5325-01-618-4412 · 5325016184412 · NIIN 016184412 · 01-618-4412 · FSC 5325 Fastening Devices · CAGE 3RPC2 · 10041900
Nearby stock numbers  ·
Features
  • Ring,retaining — FSC 5325
  • Cross-Sectional Shape Style: RECTANGULAR
  • Ring Style: EXTERNAL
  • 1 manufacturer part number on file
  • Manufacturer of record: B. Hepworth and Co., Ltd. of Connecticut, Inc.
Identification
  • NSN: 5325-01-618-4412
  • NIIN: 016184412
  • FSC: 5325 — Fastening Devices
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 10041900
  • Manufacturer: B. Hepworth and Co., Ltd. of Connecticut, Inc.
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-618-4412, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is B. Hepworth and Co., Ltd. of Connecticut, Inc.. Government technical data includes 2 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-618-4412
Primary Part Number10041900
Item NameRing,retaining
FSC / FSG5325 / 53 — Fastening Devices
ManufacturerB. Hepworth and Co., Ltd. of Connecticut, Inc.
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
10041900 PRIMARY B. Hepworth and Co., Ltd. of Connecticut, Inc. (USA)
No interchangeability data on file.
Other items in FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884
5325-00-000-1884 · Item name not on file
5325-00-000-9988
5325-00-000-9988 · Item name not on file
5325-00-001-1567
RING,RETAINING
5325-00-001-2043
FASTENER,PANEL
5325-00-001-3842
RING,RETAINING
5325-00-001-3858
5325-00-001-3858 · Item name not on file
5325-00-001-3871
RING,RETAINING
5325-00-001-4317
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-618-4412?

NSN 5325-01-618-4412 is a Ring,retaining, manufactured by B. Hepworth and Co., Ltd. of Connecticut, Inc., classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-618-4412?

NSN 5325-01-618-4412 has 1 manufacturer part number on file: 10041900 (B. Hepworth and Co., Ltd. of Connecticut, Inc.).

What are the specifications of 10041900?

Key specifications for 10041900: Cross-Sectional Shape Style: RECTANGULAR; Ring Style: EXTERNAL; Part Name Assigned by Controlling Agency: 12MM SPINDLE CIRCLIP MM; End Item Identification: MRAP-COUGAR. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-618-4412 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.
PartsTable Design LLC · partstable.com