NSN 2540-00-421-9516 · NIIN 004219516 · Part number 15566FRSTRMA1
Process Supply Inc Dba Defense Products International · FSC 2540 — Vehicular Furniture and Accessories · FSG 25 — Vehicular Equipment Components · CAGE 63479
Government record, cited
NSN 2540-00-421-9516 — this item is cataloged by the U.S. Government under National Stock Number 2540-00-421-9516. Manufacturer of record part number: 15566FRSTRMA1.
Also searched as2540-00-421-9516 ·
2540004219516 ·
NIIN 004219516 ·
00-421-9516 ·
FSC 2540 Vehicular Furniture and Accessories · CAGE 63479 · 15566FRSTRMA1
Manufacturer of record: Process Supply Inc Dba Defense Products International
Identification
NSN: 2540-00-421-9516
NIIN: 004219516
FSC: 2540 — Vehicular Furniture and Accessories
FSG: 25 — Vehicular Equipment Components
Primary part number: 15566FRSTRMA1
Manufacturer: Process Supply Inc Dba Defense Products International
General Description
The Stairway Assembly,f, cataloged under National Stock Number 2540-00-421-9516, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Process Supply Inc Dba Defense Products International. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
Catalog Facts
Item Name
Stairway Assembly,f
FSC / FSG
2540 — Vehicular Furniture and Accessories (FSG 25)
Manufacturers
Process Supply Inc Dba Defense Products International (CAGE 63479)
Technical Specifications
Parameter
Value
NSN
2540-00-421-9516
Primary Part Number
15566FRSTRMA1
Item Name
Stairway Assembly,f
FSC / FSG
2540 / 25 — Vehicular Furniture and Accessories
Manufacturer
Process Supply Inc Dba Defense Products International
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Process Supply Inc Dba Defense Products International (USA)
No interchangeability data on file.
Other items in FSC 2540 — Vehicular Furniture and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2540-00-001-2045
2540-00-001-2045 · Item name not on file
2540-00-001-3392
2540-00-001-3392 · Item name not on file
2540-00-001-3467
2540-00-001-3467 · Item name not on file
2540-00-001-3534
2540-00-001-3534 · Item name not on file
2540-00-001-3535
2540-00-001-3535 · Item name not on file
2540-00-001-3536
2540-00-001-3536 · Item name not on file
2540-00-001-3537
BRACKET,HEADLIGHT,MOUNTING
2540-00-001-3538
BRACKET,HEADLIGHT,MOUNTING
Frequently Asked Questions
What is NSN 2540-00-421-9516?
NSN 2540-00-421-9516 is a Stairway Assembly,f, manufactured by Process Supply Inc Dba Defense Products International, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
What part numbers are listed for NSN 2540-00-421-9516?
NSN 2540-00-421-9516 has 1 manufacturer part number on file: 15566FRSTRMA1 (Process Supply Inc Dba Defense Products International).
Is NSN 2540-00-421-9516 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.