PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31H1009-2Undershirt

Naval Air Development Center Warminster Navairsyscom Hq · NSN 8475-00-671-4727 · FSC 8475 · No Item Name Available
Verified by PartsTable
NSN 8475-00-671-4727 — this item is cataloged by the U.S. Government under National Stock Number 8475-00-671-4727. Primary manufacturer part number: 31H1009-2.
Features
  • Undershirt — FSC 8475
  • 2 verified cross-references
  • Primary manufacturer: Naval Air Development Center Warminster Navairsyscom Hq
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Undershirt, cataloged under National Stock Number 8475-00-671-4727, is classified within Federal Supply Class 8475 (No Item Name Available) of the Clothing, Individual Equipment, and Insignia group. The primary manufacturer of record is Naval Air Development Center Warminster Navairsyscom Hq. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameUndershirt
FSC / FSG8475 — No Item Name Available (FSG 84)
ManufacturersNaval Air Development Center Warminster Navairsyscom Hq (CAGE 80206)
Technical Specifications
ParameterValue
NSN8475-00-671-4727
Primary Part Number31H1009-2
Item NameUndershirt
FSC / FSG8475 / 84 — No Item Name Available
ManufacturerNaval Air Development Center Warminster Navairsyscom Hq
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1680-00-928-855410091-2 INTERCHANGEABLE
Seat,poppet Valve
Essex Industries Inc Div Manufacturing Division
5905-00-943-7538100912 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Crane Electronics, Inc.
5340-00-969-6407MS35812-1 INTERCHANGEABLE
Clevis,rod End
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-017-26661AXP819-003 INTERCHANGEABLE
Valve,safety Relief
Danfoss Fluid Power Inc Easley Opn
5935-01-088-0887ST3M546-3 INTERCHANGEABLE
Plate,retaining,electrical Conne
The Boeing Company Div Defense
5999-01-300-7528 INTERCHANGEABLE
Pole Piece,magnet
4820-01-680-585510091-2 INTERCHANGEABLE
Valve Assembly
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
31H1009-2 PRIMARY Naval Air Development Center Warminster Navairsyscom Hq (USA)
1009-12 PRIMARY Naval Air Development Center Warminster Navairsyscom Hq (USA)
Related Parts
1680-00-928-8554INTERCHANGEABLE
SEAT,POPPET VALVE
10091-2
5905-00-943-7538INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
100912
5340-00-969-6407INTERCHANGEABLE
CLEVIS,ROD END
MS35812-1
4820-01-017-2666INTERCHANGEABLE
VALVE,SAFETY RELIEF
1AXP819-003
5935-01-088-0887INTERCHANGEABLE
PLATE,RETAINING,ELECTRICAL CONNE
ST3M546-3
5999-01-300-7528INTERCHANGEABLE
POLE PIECE,MAGNET
4820-01-680-5855INTERCHANGEABLE
VALVE ASSEMBLY
10091-2

Frequently Asked Questions

What is NSN 8475-00-671-4727?

NSN 8475-00-671-4727 is a Undershirt, manufactured by Naval Air Development Center Warminster Navairsyscom Hq, classified under FSC 8475 (No Item Name Available). Status: active.

What are the part numbers for NSN 8475-00-671-4727?

NSN 8475-00-671-4727 has 2 cross-referenced part numbers: 31H1009-2 (Naval Air Development Center Warminster Navairsyscom Hq), 1009-12 (Naval Air Development Center Warminster Navairsyscom Hq).

What NSN replaces 8475-00-671-4727?

There are 7 known substitutes for 8475-00-671-4727: 1680-00-928-8554, 5905-00-943-7538, 5340-00-969-6407 and 4 more. Verify interchangeability with system specifications before substitution.

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