The Pin,piston, cataloged under National Stock Number 4310-01-105-7925, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
Pin,piston
FSC / FSG
4310 — Compressors and Vacuum Pumps (FSG 43)
Technical Specifications
Parameter
Value
NSN
4310-01-105-7925
Item Name
Pin,piston
FSC / FSG
4310 / 43 — Compressors and Vacuum Pumps
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.
4210-01-237-634831017POSSIBLE MATCH
VALVE,FIRE EXTINGUISHER
Possible match (shared part number)Tyco Fire Products Lp
3120-01-266-8413POSSIBLE MATCH
BEARING,WASHER,THRUST
Possible match (shared part number)
5325-01-399-4641630900765POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Wilshire Corp
5331-01-528-751631017POSSIBLE MATCH
O-RING
Possible match (shared part number)Remote Controls Inc Dba Remote Controls Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
31017
3/9Design control — primary reference
Hurst Performance Inc Safety Products Div
Related Parts
4210-01-237-6348POSSIBLE MATCH
VALVE,FIRE EXTINGUISHER
31017
3120-01-266-8413POSSIBLE MATCH
BEARING,WASHER,THRUST
5325-01-399-4641POSSIBLE MATCH
RING,RETAINING
630900765
5331-01-528-7516POSSIBLE MATCH
O-RING
31017
Frequently Asked Questions
What is NSN 4310-01-105-7925?
NSN 4310-01-105-7925 is a Pin,piston, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
What NSN replaces 4310-01-105-7925?
4 possible matches (shared part number, not a government interchangeability claim): 4210-01-237-6348, 3120-01-266-8413, 5325-01-399-4641. Verify interchangeability with system specifications before substitution.
Is NSN 4310-01-105-7925 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.