The Bracket,subassy, cataloged under National Stock Number 5342-00-421-4450, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Bracket,subassy
FSC / FSG
5342 — Hardware, Weapon System (FSG 53)
Technical Specifications
Parameter
Value
NSN
5342-00-421-4450
Item Name
Bracket,subassy
FSC / FSG
5342 / 53 — Hardware, Weapon System
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2590-00-898-4806195619POSSIBLE MATCH
CAP,FILLER OPENING
Possible match (shared part number)Fwd Seagrave Holdings Lp
5330-00-982-6373219280POSSIBLE MATCH
GASKET
Possible match (shared part number)Mcculloch Corp
5310-01-079-98842916693008POSSIBLE MATCH
WASHER
Possible match (shared part number)Hatz Diesel of America Inc
5331-01-623-057169564POSSIBLE MATCH
O-RING
Possible match (shared part number)Ritchie Engineering Co Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
69564
3/2Design control — primary reference
U.S. Government activity
Related Parts
2590-00-898-4806POSSIBLE MATCH
CAP,FILLER OPENING
195619
5330-00-982-6373POSSIBLE MATCH
GASKET
219280
5310-01-079-9884POSSIBLE MATCH
WASHER
2916693008
5331-01-623-0571POSSIBLE MATCH
O-RING
69564
Frequently Asked Questions
What is NSN 5342-00-421-4450?
NSN 5342-00-421-4450 is a Bracket,subassy, classified under FSC 5342, Hardware, Weapon System. Status: active.
What NSN replaces 5342-00-421-4450?
4 possible matches (shared part number, not a government interchangeability claim): 2590-00-898-4806, 5330-00-982-6373, 5310-01-079-9884. Verify interchangeability with system specifications before substitution.
Is NSN 5342-00-421-4450 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.