NSN 4210-01-563-1439 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-563-1439. Manufacturer of record part number: 31-661.
Nearby stock numbers← 4210-01-563-1137 Repair and Refilling Kit, Carbon
·
4210-01-563-1731 Bracket, Fire Extinguisher →
Features
Ax,pick Head — FSC 4210
2 manufacturer part numbers on file
Manufacturer of record: Nupla Corporation
Identification
NSN: 4210-01-563-1439
NIIN: 015631439
FSC: 4210 — Firefighting Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 31-661
Manufacturer: Nupla Corporation
General Description
The Ax,pick Head, cataloged under National Stock Number 4210-01-563-1439, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Nupla Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
4210-01-563-1439
Primary Part Number
31-661
Item Name
Ax,pick Head
FSC / FSG
4210 / 42 — Firefighting Equipment
Manufacturer
Nupla Corporation
Status
ACTIVE
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5930-01-667-7858NMB2-12GM65-E2-FE-V1POSSIBLE MATCH
SWITCH,PROXIMITY
Possible match (shared part number)Pepperl & Fuchs Inc
6810-01-698-463131661POSSIBLE MATCH
DINITROANILINE
Possible match (shared part number)Restek Corp
5310-01-705-821131661POSSIBLE MATCH
NUT,PLAIN,ROUND
Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company
NSN 4210-01-563-1439 is a Ax,pick Head, manufactured by Nupla Corporation, classified under FSC 4210, Firefighting Equipment. Status: active.
What part numbers are listed for NSN 4210-01-563-1439?
NSN 4210-01-563-1439 has 2 manufacturer part numbers on file: 31-661 (Nupla Corporation), AP-6LESG (Nupla Corporation).
What NSN replaces 4210-01-563-1439?
3 possible matches (shared part number, not a government interchangeability claim): 5930-01-667-7858, 6810-01-698-4631, 5310-01-705-8211. Verify interchangeability with system specifications before substitution.
What are the specifications of 31-661?
Key specifications for 31-661: Special Features: FEATGDROP FORGED, HEAT TREATED PICK HEADS WITH GROUND AND TEMPERED CUTTING EDGES FOR NICK RESISTANCE AND LONG LASTING EDGE; WEIGHT 6.0 LBS; ERGO POWER HANDLE 36.0 INCHES LENGTH; SOLID GENUINE NUPLAGLAS STRUCTURAL CORE WITH INJECTION MOLDED OUTER JACKET OF ENGINEERING POLYMER LBS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4210-01-563-1439 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.