NSN 2540-01-040-1131 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-040-1131. Manufacturer of record part number: 85-20LH.
Also searched as2540-01-040-1131 ·
2540010401131 ·
NIIN 010401131 ·
01-040-1131 ·
FSC 2540 Vehicular Furniture and Accessories · CAGE 55355 · 85-20LH · 8520 · 6558
Nearby stock numbers← 2540-01-040-1130 Mat, Floor
·
2540-01-040-3172 Parts Kit, Door Hold →
Features
Regulator,vehicle Window — FSC 2540
Handle Type: CRANK
Lift Arm Maximum Travel: 19.500 INCHES IN
Length: 26.000 INCHES NOMINAL IN
Handle Fastening Method: INTERNALLY THREADED
Drive Type: CHAIN
Glass Lift Channel: NOT INCLUDED
Handle Shaft Shape: ROUND W/FLATTED SIDE
Identification
NSN: 2540-01-040-1131
NIIN: 010401131
FSC: 2540 — Vehicular Furniture and Accessories
FSG: 25 — Vehicular Equipment Components
Primary part number: 85-20LH
Manufacturer: Emcor Enclosures Llc
General Description
The Regulator,vehicle Window, cataloged under National Stock Number 2540-01-040-1131, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Emcor Enclosures Llc. Government technical data includes 13 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
2540-01-040-1131
Primary Part Number
85-20LH
Item Name
Regulator,vehicle Window
FSC / FSG
2540 / 25 — Vehicular Furniture and Accessories
Manufacturer
Emcor Enclosures Llc
Status
ACTIVE
Handle Type
CRANK
Lift Arm Maximum Travel
19.500 INCHES IN
Length
26.000 INCHES NOMINAL IN
Handle Fastening Method
INTERNALLY THREADED
Drive Type
CHAIN
Glass Lift Channel
NOT INCLUDED
Handle Shaft Shape
ROUND W/FLATTED SIDE
Lift Arm Length
0.656 INCHES NOMINAL IN
Gear Ratio
1 TO 1
Handle/escutcheon Plate
INCLUDED
Mounting Location
LEFT HAND
Lift Arm Type
SINGLE
Mounting Type for Which Designed
STEEL PANEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5935-01-069-6045357-7381-010POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-01-081-08726558POSSIBLE MATCH
TRANSFORMER,POWER AUTOTRANSFORME
Possible match (shared part number)Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5330-01-144-88326558POSSIBLE MATCH
GASKET
Possible match (shared part number)Adk Pressure Equipment Corporation
5305-01-254-42866558POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)O F Mossberg & Sons Inc
NSN 2540-01-040-1131 is a Regulator,vehicle Window, manufactured by Emcor Enclosures Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
What part numbers are listed for NSN 2540-01-040-1131?
NSN 2540-01-040-1131 has 2 manufacturer part numbers on file: 8520 (A L Hansen Manufacturing Company), 85-20LH (Emcor Enclosures Llc).
What NSN replaces 2540-01-040-1131?
4 possible matches (shared part number, not a government interchangeability claim): 5935-01-069-6045, 5950-01-081-0872, 5330-01-144-8832. Verify interchangeability with system specifications before substitution.
What are the specifications of 85-20LH?
Key specifications for 85-20LH: Handle Type: CRANK; Lift Arm Maximum Travel: 19.500 INCHES IN; Length: 26.000 INCHES NOMINAL IN; Handle Fastening Method: INTERNALLY THREADED. 13 specifications are documented in the U.S. Government catalog.
Is NSN 2540-01-040-1131 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.