NSN 5310-00-191-4938 · NIIN 001914938 · Part number 8190-33
Atlantic Inertial Systems Limited · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE U6441
Government record, cited
NSN 5310-00-191-4938 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-191-4938. Manufacturer of record part number: 8190-33.
Also searched as5310-00-191-4938 ·
5310001914938 ·
NIIN 001914938 ·
00-191-4938 ·
FSC 5310 Nuts and Washers · CAGE U6441 · 8190-33
Manufacturer of record: Atlantic Inertial Systems Limited
Identification
NSN: 5310-00-191-4938
NIIN: 001914938
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8190-33
Manufacturer: Atlantic Inertial Systems Limited
General Description
The Washer,special, cataloged under National Stock Number 5310-00-191-4938, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Atlantic Inertial Systems Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Washer,special
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Atlantic Inertial Systems Limited (CAGE U6441)
Technical Specifications
Parameter
Value
NSN
5310-00-191-4938
Primary Part Number
8190-33
Item Name
Washer,special
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Atlantic Inertial Systems Limited
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5120-00-791-0025819033POSSIBLE MATCH
ADAPTER,TORQUE WRENCH
Possible match (shared part number)Ryeson Corporation Div Sturtevant Richmont
5331-01-478-6930819033POSSIBLE MATCH
O-RING
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
NSN 5310-00-191-4938 is a Washer,special, manufactured by Atlantic Inertial Systems Limited, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-191-4938?
NSN 5310-00-191-4938 has 1 manufacturer part number on file: 8190-33 (Atlantic Inertial Systems Limited).
What NSN replaces 5310-00-191-4938?
2 possible matches (shared part number, not a government interchangeability claim): 5120-00-791-0025, 5331-01-478-6930. Verify interchangeability with system specifications before substitution.
Is NSN 5310-00-191-4938 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.