NSN 2840-01-126-7664 · NIIN 011267664 · Part number 29865
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 2840-01-126-7664 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-126-7664. Manufacturer of record part number: 29865.
Also searched as2840-01-126-7664 ·
2840011267664 ·
NIIN 011267664 ·
01-126-7664 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 24235 · 29865
General Characteristics Item Description: STEEL,0.572 IN. LG,0.440 IN. W,0.170 IN. THK,0.142 MIN IN. 0.152 MAX IN. DIA OF 1 HOLE IN
2 manufacturer part numbers on file
Manufacturer of record: Williams International Co., L.l.c.
Identification
NSN: 2840-01-126-7664
NIIN: 011267664
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 29865
Manufacturer: Williams International Co., L.l.c.
General Description
The Retainer,interface Tube, cataloged under National Stock Number 2840-01-126-7664, 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.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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
2840-01-126-7664
Primary Part Number
29865
Item Name
Retainer,interface Tube
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Williams International Co., L.l.c.
Status
ACTIVE
General Characteristics Item Description
STEEL,0.572 IN. LG,0.440 IN. W,0.170 IN. THK,0.142 MIN IN. 0.152 MAX IN. DIA OF 1 HOLE IN
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-284-545929865 PIECE 61POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Crane Co Div Valve Div
4820-01-285-073429865 PIECE 41POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Crane Co Div Valve Div
5330-01-336-9679AT55472POSSIBLE MATCH
SEAL,PLAIN ENCASED
Possible match (shared part number)Deere & Co
2540-01-649-036629865POSSIBLE MATCH
VENTILATOR,AIR CIRCULATING
Possible match (shared part number)Generac Mobile Products, Llc
NSN 2840-01-126-7664 is a Retainer,interface Tube, 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 2840-01-126-7664?
NSN 2840-01-126-7664 has 2 manufacturer part numbers on file: 29865 (Bc Technical Center, Llc Dba Bc Engineered Products), 29865 (Williams International Co., L.l.c.).
What NSN replaces 2840-01-126-7664?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-284-5459, 4820-01-285-0734, 5330-01-336-9679. Verify interchangeability with system specifications before substitution.
What are the specifications of 29865?
Key specifications for 29865: General Characteristics Item Description: STEEL,0.572 IN. LG,0.440 IN. W,0.170 IN. THK,0.142 MIN IN. 0.152 MAX IN. DIA OF 1 HOLE IN; End Item Identification: ACFT ENG F107. 1 specification is documented in the U.S. Government catalog.
Is NSN 2840-01-126-7664 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.