PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57B22258Pylon Assy,aft

Department of the Air Force · NSN 1340-00-631-3112 · FSC 1340 · No Item Name Available
Verified by PartsTable
NSN 1340-00-631-3112 — this item is cataloged by the U.S. Government under National Stock Number 1340-00-631-3112. Primary manufacturer part number: 57B22258.
Features
  • Pylon Assy,aft — FSC 1340
  • Unable to Decode: UNABLE TO DECODE
  • 2 verified cross-references
  • Primary manufacturer: Department of the Air Force
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pylon Assy,aft, cataloged under National Stock Number 1340-00-631-3112, is classified within Federal Supply Class 1340 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Department of the Air Force. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1340-00-631-3112
Primary Part Number57B22258
Item NamePylon Assy,aft
FSC / FSG1340 / 13 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Unable to DecodeUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-469-4495302020 INTERCHANGEABLE
Spring,helical,compression
Sigma-Netics, Inc.
4720-00-839-5177FA6584MMM0494 INTERCHANGEABLE
Hose Assembly,nonmetallic
Danfoss Power Solutions II, Llc
6680-01-395-5219169024 INTERCHANGEABLE
Meter,flow Rate Indicating
Bromine Systems Inc
5995-01-612-57183020-20 INTERCHANGEABLE
Wiring Harness
Golight, Inc
Cross-Reference Index
Part NumberManufacturer
57B22258 Department of the Air Force (USA)
302020 Multitex Co (USA)
Related Parts
5360-00-469-4495INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
302020
4720-00-839-5177INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
FA6584MMM0494
6680-01-395-5219INTERCHANGEABLE
METER,FLOW RATE INDICATING
169024
5995-01-612-5718INTERCHANGEABLE
WIRING HARNESS
3020-20

Frequently Asked Questions

What is NSN 1340-00-631-3112?

NSN 1340-00-631-3112 is a Pylon Assy,aft, manufactured by Department of the Air Force, classified under FSC 1340 (No Item Name Available). Status: active.

What are the part numbers for NSN 1340-00-631-3112?

NSN 1340-00-631-3112 has 2 cross-referenced part numbers: 57B22258 (Department of the Air Force), 302020 (Multitex Co).

What NSN replaces 1340-00-631-3112?

There are 4 known substitutes for 1340-00-631-3112: 5360-00-469-4495, 4720-00-839-5177, 6680-01-395-5219 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57B22258?

Key specifications for 57B22258: Unable to Decode: UNABLE TO DECODE. 1 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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