PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D123Seat,vehicular

Atap Inc · NSN 2540-00-891-6117 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-00-891-6117 — this item is cataloged by the U.S. Government under National Stock Number 2540-00-891-6117. Primary manufacturer part number: D123.
Features
  • Seat,vehicular — FSC 2540
  • Storage Compartment: NOT INCLUDED
  • Material Form: FOAM PADDING
  • Backrest: NOT INCLUDED
  • Seating Capacity: 1
  • Swivel: NOT INCLUDED
  • Seat Type: PADDED/COVERED CONTOUR
  • Folding Mounting Feature: NOT INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Seat,vehicular, cataloged under National Stock Number 2540-00-891-6117, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Atap Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-00-891-6117
Primary Part NumberD123
Item NameSeat,vehicular
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerAtap Inc
StatusACTIVE
Storage CompartmentNOT INCLUDED
Material FormFOAM PADDING
BackrestNOT INCLUDED
Seating Capacity1
SwivelNOT INCLUDED
Seat TypePADDED/COVERED CONTOUR
Folding Mounting FeatureNOT INCLUDED
Pneumatic BagNOT INCLUDED
Mounting AdjustabilityNONADJUSTABLE
Cushion SpringsNOT INCLUDED
FSC Application DataINDIVIDUAL,VEHICULAR
Perforation FeatureNOT INCLUDED
Mounting TypeSEAT FRAME
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
3895-00-073-3562 INTERCHANGEABLE
Pump,fuel,pile Driv
5315-00-276-5401 INTERCHANGEABLE
Key,machine
5962-00-566-5962536948-1 INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon
5315-00-837-4261D3-156 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
2530-01-003-51903683963 INTERCHANGEABLE
Disk Brake Shoe Set
Chrysler Corp Service and Parts Opns
5895-01-032-9709D7212-234-12-3 INTERCHANGEABLE
Cover,electronic Communication E
Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics
Cross-Reference Index
Part NumberManufacturer
D123 Milsco Mfg Co Unit of Jason Inc (USA)
D123 PRIMARY Atap Inc (USA)
Related Parts
3895-00-073-3562INTERCHANGEABLE
PUMP,FUEL,PILE DRIV
5315-00-276-5401INTERCHANGEABLE
KEY,MACHINE
5962-00-566-5962INTERCHANGEABLE
MICROCIRCUIT,LINEAR
536948-1
5315-00-837-4261INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
D3-156
2530-01-003-5190INTERCHANGEABLE
DISK BRAKE SHOE SET
3683963
5895-01-032-9709INTERCHANGEABLE
COVER,ELECTRONIC COMMUNICATION E
D7212-234-12-3

Frequently Asked Questions

What is NSN 2540-00-891-6117?

NSN 2540-00-891-6117 is a Seat,vehicular, manufactured by Atap Inc, classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-00-891-6117?

NSN 2540-00-891-6117 has 2 cross-referenced part numbers: D123 (Milsco Mfg Co Unit of Jason Inc), D123 (Atap Inc).

What NSN replaces 2540-00-891-6117?

There are 6 known substitutes for 2540-00-891-6117: 3895-00-073-3562, 5315-00-276-5401, 5962-00-566-5962 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D123?

Key specifications for D123: Storage Compartment: NOT INCLUDED; Material Form: FOAM PADDING; Backrest: NOT INCLUDED; Seating Capacity: 1. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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