PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1.0252Frame,backrest

Isringhausen, Inc. · NSN 2540-01-170-2499 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-01-170-2499 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-170-2499. Primary manufacturer part number: 1.0252.
Features
  • Frame,backrest — FSC 2540
  • General Characteristics Item Description: PART OF SEAT NO. 48R18
  • 2 verified cross-references
  • Primary manufacturer: Isringhausen, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Frame,backrest, cataloged under National Stock Number 2540-01-170-2499, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Isringhausen, Inc.. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-01-170-2499
Primary Part Number1.0252
Item NameFrame,backrest
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerIsringhausen, Inc.
StatusACTIVE
General Characteristics Item DescriptionPART OF SEAT NO. 48R18
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5305-00-054-6670 INTERCHANGEABLE
Screw,machine
6810-00-134-62201-0252 INTERCHANGEABLE
Phosphoric Acid
Avantor Performance Materials, Inc.
5305-00-292-670791793AA192 INTERCHANGEABLE
Screw,machine
Mcmaster-Carr Supply Co
4810-00-336-12991025-2 INTERCHANGEABLE
Body,valve,solenoid
Woodward Hrt, Inc. Dba Woodward Hrt Inc
1560-00-561-27801025-2 INTERCHANGEABLE
Cap Assembly,fuel Filler
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
4320-00-910-151010252 INTERCHANGEABLE
Impeller,pump,centrifugal
Rps-Fl, Inc. Dba Rps Inc
5365-00-980-230112745 INTERCHANGEABLE
Shim,advance Spring
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5999-01-059-9984 INTERCHANGEABLE
Mounting Pad,electrical-Electron
6250-01-347-8173 INTERCHANGEABLE
Ballast,lamp
4440-01-412-2054 INTERCHANGEABLE
Dehydrator,desiccant,electric
Cross-Reference Index
Part NumberManufacturer
1.0252 PRIMARY Isringhausen, Inc. (USA)
1.0252 Isringhausen Gmbh & Co. Kg (DEU)
Related Parts
5305-00-054-6670INTERCHANGEABLE
SCREW,MACHINE
6810-00-134-6220INTERCHANGEABLE
PHOSPHORIC ACID
1-0252
5305-00-292-6707INTERCHANGEABLE
SCREW,MACHINE
91793AA192
4810-00-336-1299INTERCHANGEABLE
BODY,VALVE,SOLENOID
1025-2
1560-00-561-2780INTERCHANGEABLE
CAP ASSEMBLY,FUEL FILLER
1025-2
4320-00-910-1510INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
10252
5365-00-980-2301INTERCHANGEABLE
SHIM,ADVANCE SPRING
12745
5999-01-059-9984INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
6250-01-347-8173INTERCHANGEABLE
BALLAST,LAMP
4440-01-412-2054INTERCHANGEABLE
DEHYDRATOR,DESICCANT,ELECTRIC
2090-01-551-5220INTERCHANGEABLE
SEAT BACK
10252
5330-01-654-3707INTERCHANGEABLE
GASKET
601294

Frequently Asked Questions

What is NSN 2540-01-170-2499?

NSN 2540-01-170-2499 is a Frame,backrest, manufactured by Isringhausen, Inc., classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-01-170-2499?

NSN 2540-01-170-2499 has 2 cross-referenced part numbers: 1.0252 (Isringhausen, Inc.), 1.0252 (Isringhausen Gmbh & Co. Kg).

What NSN replaces 2540-01-170-2499?

There are 12 known substitutes for 2540-01-170-2499: 5305-00-054-6670, 6810-00-134-6220, 5305-00-292-6707 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1.0252?

Key specifications for 1.0252: General Characteristics Item Description: PART OF SEAT NO. 48R18; End Item Identification: 3810-01-145-8288. 2 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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