Environmental Protection: FIRE RESISTANT AND WATER REPELLENT
Fiber Material: UNABLE TO DECODE
Identification
NSN: 8415-00-577-4149
NIIN: 005774149
FSC: 8415 — Clothing, Special Purpose
FSG: 84 — Clothing, Individual Equipment, and Insignia
General Description
The Trousers,firemen's, cataloged under National Stock Number 8415-00-577-4149, is classified within Federal Supply Class 8415 (Clothing, Special Purpose) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
8415-00-577-4149
Item Name
Trousers,firemen's
FSC / FSG
8415 / 84 — Clothing, Special Purpose
Status
ACTIVE
Garment Size
34X31
Pocket Type
PATCH LEFT HIP
Pocket Type
PATCH RIGHT HIP
Adjustment Method
SNAP FASTENER WAIST
Color
GREEN, US ARMY, 107 MAIN BODY
Environmental Protection
FIRE RESISTANT AND WATER REPELLENT
Fiber Material
UNABLE TO DECODE
Cloth-Fabric Name
DUCK MAIN BODY
Cloth-Fabric Name
FLANNEL LINING
Cloth-Fabric Name
SILESIA LINER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4210-01-166-7799POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7803POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7804POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7805POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7806POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7807POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7808POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7809POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7810POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
4210-01-166-7811POSSIBLE MATCH
FIREMEN'S TROUSERS
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MIL-T-3901D
4/1Identification reference
U.S. Government activity
Related Parts
4210-01-166-7799POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7803POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7804POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7805POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7806POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7807POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7808POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7809POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7810POSSIBLE MATCH
FIREMEN'S TROUSERS
4210-01-166-7811POSSIBLE MATCH
FIREMEN'S TROUSERS
Frequently Asked Questions
What is NSN 8415-00-577-4149?
NSN 8415-00-577-4149 is a Trousers,firemen's, classified under FSC 8415, Clothing, Special Purpose. Status: active.
What NSN replaces 8415-00-577-4149?
10 possible matches (shared part number, not a government interchangeability claim): 4210-01-166-7799, 4210-01-166-7803, 4210-01-166-7804. Verify interchangeability with system specifications before substitution.
What are the specifications of 8415-00-577-4149?
Key specifications for 8415-00-577-4149: Garment Size: 34X31; Pocket Type: PATCH LEFT HIP; Pocket Type: PATCH RIGHT HIP; Adjustment Method: SNAP FASTENER WAIST. 10 specifications are documented in the U.S. Government catalog.
Is NSN 8415-00-577-4149 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.