PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9040Seal

Apm Hexseal Corp · NSN 5342-00-603-9069 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-603-9069 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-603-9069. Primary manufacturer part number: 9040.
Features
  • Seal — FSC 5342
  • 4 verified cross-references
  • Primary manufacturer: Apm Hexseal Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal, cataloged under National Stock Number 5342-00-603-9069, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Apm Hexseal Corp. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal
FSC / FSG5342 — Mount,resilient,weapon System (FSG 53)
ManufacturersApm Hexseal Corp (CAGE 97539); Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Northrop Grumman Systems Corporation (CAGE 78022)
Technical Specifications
ParameterValue
NSN5342-00-603-9069
Primary Part Number9040
Item NameSeal
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerApm Hexseal Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-177-1332MS17830-04C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5930-00-189-658619910-3ALTA INTERCHANGEABLE
Switch,push
Hickok Waekon Llc
5998-00-237-1034 INTERCHANGEABLE
Circuit Card Assembly
5930-00-311-22859040 INTERCHANGEABLE
Switch,ventilator D
Standard Steel Llc
5950-00-460-99969040 INTERCHANGEABLE
Transformer,audio Frequency
Artted Co Inc
7510-01-050-9940 INTERCHANGEABLE
Ribbon,inking
5130-01-094-30689040 INTERCHANGEABLE
Mount,machine Tools
Fischer Usa Inc
7045-01-118-45209040 INTERCHANGEABLE
Floppy Disc
Philips Information Systems Ltd
5315-01-166-2355N9040 INTERCHANGEABLE
Key,woodruff
C E Niehoff & Co
5998-01-182-5198880778-3 INTERCHANGEABLE
Circuit Card Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
N9040 Apm Hexseal Corp (USA)
9040 PRIMARY Apm Hexseal Corp (USA)
880778-2 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
12-059-00-052 Northrop Grumman Systems Corporation (USA)
Related Parts
5310-00-177-1332INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17830-04C
5930-00-189-6586INTERCHANGEABLE
SWITCH,PUSH
19910-3ALTA
5998-00-237-1034INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-00-311-2285INTERCHANGEABLE
SWITCH,VENTILATOR D
9040
5950-00-460-9996INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
9040
7510-01-050-9940INTERCHANGEABLE
RIBBON,INKING
5130-01-094-3068INTERCHANGEABLE
MOUNT,MACHINE TOOLS
9040
7045-01-118-4520INTERCHANGEABLE
FLOPPY DISC
9040
5315-01-166-2355INTERCHANGEABLE
KEY,WOODRUFF
N9040
5998-01-182-5198INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
880778-3
5340-01-205-3105INTERCHANGEABLE
CASTER,SWIVEL
1053-B
5342-01-223-6515INTERCHANGEABLE
CLAMP
9040

Frequently Asked Questions

What is NSN 5342-00-603-9069?

NSN 5342-00-603-9069 is a Seal, manufactured by Apm Hexseal Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-603-9069?

NSN 5342-00-603-9069 has 4 cross-referenced part numbers: N9040 (Apm Hexseal Corp), 9040 (Apm Hexseal Corp), 880778-2 (Lockheed Martin Corporation Div Rms - Mitchel Field), 12-059-00-052 (Northrop Grumman Systems Corporation).

What NSN replaces 5342-00-603-9069?

There are 12 known substitutes for 5342-00-603-9069: 5310-00-177-1332, 5930-00-189-6586, 5998-00-237-1034 and 9 more. Verify interchangeability with system specifications before substitution.

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