NSN 5325-01-667-9943 · NIIN 016679943 · Part number 6531-37W
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 73760
Government record, cited
NSN 5325-01-667-9943 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-667-9943. Manufacturer of record part number: 6531-37W.
Also searched as5325-01-667-9943 ·
5325016679943 ·
NIIN 016679943 ·
01-667-9943 ·
FSC 5325 Fastening Devices · CAGE 73760 · 6531-37W
Manufacturer of record: Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Identification
NSN: 5325-01-667-9943
NIIN: 016679943
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 6531-37W
Manufacturer: Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
General Description
The Ring,retaining, cataloged under National Stock Number 5325-01-667-9943, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. 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
Parameter
Value
NSN
5325-01-667-9943
Primary Part Number
6531-37W
Item Name
Ring,retaining
FSC / FSG
5325 / 53 — Fastening Devices
Manufacturer
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (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 5325-01-667-9943?
NSN 5325-01-667-9943 is a Ring,retaining, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5325, Fastening Devices. Status: active.
What part numbers are listed for NSN 5325-01-667-9943?
NSN 5325-01-667-9943 has 1 manufacturer part number on file: 6531-37W (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
What are the specifications of 6531-37W?
Key specifications for 6531-37W: Special Features: BUTTERFLY VALVE, MODEL C-101-MIRLO-(E.25); Part Name Assigned by Controlling Agency: RING,SNAP; End Item Identification: AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5325-01-667-9943 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.