FSG: 84 — Clothing, Individual Equipment, and Insignia
General Description
The Undershirt,extreme Cold Weather, cataloged under National Stock Number 8415-00-270-2015, is classified within Federal Supply Class 8415 (Clothing, Special Purpose) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
8415-00-270-2015
Item Name
Undershirt,extreme Cold Weather
FSC / FSG
8415 / 84 — Clothing, Special Purpose
Status
ACTIVE
Garment Size
X-LARGE MAINBODY
Garment Sleeve Length
FULL LENGTH
Neck Opening Type
CREW
Procurement Group Code
00783
Color
NATURAL OVERALL
Fiber Material
COTTON
User Designator
MAN AND WOMAN
Cloth-Fabric Name
KNITTED
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
8415-00-904-5134POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Possible match (shared part number)
8415-00-904-5135POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Possible match (shared part number)
8415-00-904-5136POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Possible match (shared part number)
8415-00-904-5137POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Possible match (shared part number)
8415-00-904-5138POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Possible match (shared part number)
8415-01-051-1174POSSIBLE MATCH
UNDERSHIRT,EXTREME COLD WEATHER
Possible match (shared part number)
8415-01-227-9549POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Possible match (shared part number)
8415-01-227-9550POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Possible match (shared part number)
8415-01-227-9551POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
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-U-17611
5/9Secondary reference
U.S. Government activity
MIL-U-43262
5/9Secondary reference
U.S. Government activity
A-A-50383
4/1Identification reference
Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Related Parts
8415-00-904-5134POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
8415-00-904-5135POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
8415-00-904-5136POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
8415-00-904-5137POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
8415-00-904-5138POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
8415-01-051-1174POSSIBLE MATCH
UNDERSHIRT,EXTREME COLD WEATHER
8415-01-227-9549POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
8415-01-227-9550POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
8415-01-227-9551POSSIBLE MATCH
UNDERSHIRT,COLD WEATHER
Frequently Asked Questions
What is NSN 8415-00-270-2015?
NSN 8415-00-270-2015 is a Undershirt,extreme Cold Weather, classified under FSC 8415, Clothing, Special Purpose. Status: active.
What NSN replaces 8415-00-270-2015?
9 possible matches (shared part number, not a government interchangeability claim): 8415-00-904-5134, 8415-00-904-5135, 8415-00-904-5136. Verify interchangeability with system specifications before substitution.
What are the specifications of 8415-00-270-2015?
Key specifications for 8415-00-270-2015: Garment Size: X-LARGE MAINBODY; Garment Sleeve Length: FULL LENGTH; Neck Opening Type: CREW; Procurement Group Code: 00783. 8 specifications are documented in the U.S. Government catalog.
Is NSN 8415-00-270-2015 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.