NSN 5325-01-376-0121 · NIIN 013760121 · Part number 3996-040
Woodward, Inc. Div Fuel Systems and Controls · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 66503
Government record, cited
NSN 5325-01-376-0121 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-376-0121. Manufacturer of record part number: 3996-040.
Also searched as5325-01-376-0121 ·
5325013760121 ·
NIIN 013760121 ·
01-376-0121 ·
FSC 5325 Fastening Devices · CAGE 66503 · 3996-040
Manufacturer of record: Woodward, Inc. Div Fuel Systems and Controls
Identification
NSN: 5325-01-376-0121
NIIN: 013760121
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 3996-040
Manufacturer: Woodward, Inc. Div Fuel Systems and Controls
General Description
The Ring,retaining, cataloged under National Stock Number 5325-01-376-0121, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 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
5325-01-376-0121
Primary Part Number
3996-040
Item Name
Ring,retaining
FSC / FSG
5325 / 53 — Fastening Devices
Manufacturer
Woodward, Inc. Div Fuel Systems and Controls
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-625-44003996943POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Oshkosh Defense Llc
3020-01-625-44143996040POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Oshkosh Defense Llc
4710-01-625-96034039939POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Oshkosh Defense Llc
Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
3020-01-625-4400POSSIBLE MATCH
PULLEY,GROOVE
3996943
3020-01-625-4414POSSIBLE MATCH
PULLEY,GROOVE
3996040
4710-01-625-9603POSSIBLE MATCH
TUBE ASSEMBLY,METAL
4039939
Frequently Asked Questions
What is NSN 5325-01-376-0121?
NSN 5325-01-376-0121 is a Ring,retaining, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5325, Fastening Devices. Status: active.
What part numbers are listed for NSN 5325-01-376-0121?
NSN 5325-01-376-0121 has 1 manufacturer part number on file: 3996-040 (Woodward, Inc. Div Fuel Systems and Controls).
What NSN replaces 5325-01-376-0121?
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-625-4400, 3020-01-625-4414, 4710-01-625-9603. Verify interchangeability with system specifications before substitution.
What are the specifications of 3996-040?
Key specifications for 3996-040: End Item Identification: FFG GUIDED MISSILE FRIGATE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5325-01-376-0121 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.