NSN 2840-01-126-7651 · NIIN 011267651 · Part number 23855
Williams International Co., L.l.c. · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 24235
Government record, cited
NSN 2840-01-126-7651 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-126-7651. Manufacturer of record part number: 23855.
Also searched as2840-01-126-7651 ·
2840011267651 ·
NIIN 011267651 ·
01-126-7651 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 24235 · 23855
Manufacturer of record: Williams International Co., L.l.c.
Identification
NSN: 2840-01-126-7651
NIIN: 011267651
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 23855
Manufacturer: Williams International Co., L.l.c.
General Description
The Washer Assembly, cataloged under National Stock Number 2840-01-126-7651, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Williams International Co., L.l.c.. The record lists 2 manufacturer part numbers 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.
Technical Specifications
Parameter
Value
NSN
2840-01-126-7651
Primary Part Number
23855
Item Name
Washer Assembly
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Williams International Co., L.l.c.
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 Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-340-282823855POSSIBLE MATCH
REDUCER,BOSS
Possible match (shared part number)Nasco Aircraft Brake, Inc. Dba Nasco Aircraft Brake Inc Div Nasco
4710-01-613-286223855POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Silver Eagle Manufacturing Co
NSN 2840-01-126-7651 is a Washer Assembly, manufactured by Williams International Co., L.l.c., classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-126-7651?
NSN 2840-01-126-7651 has 2 manufacturer part numbers on file: 23855 (Bc Technical Center, Llc Dba Bc Engineered Products), 23855 (Williams International Co., L.l.c.).
What NSN replaces 2840-01-126-7651?
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-340-2828, 4710-01-613-2862. Verify interchangeability with system specifications before substitution.
What are the specifications of 23855?
Key specifications for 23855: End Item Identification: ACFT ENG F107. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-126-7651 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.