The Pin,pump Housing, cataloged under National Stock Number 5315-01-121-5240, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Pin,pump Housing
FSC / FSG
5315 — Nails, Machine Keys, and Pins (FSG 53)
Technical Specifications
Parameter
Value
NSN
5315-01-121-5240
Item Name
Pin,pump Housing
FSC / FSG
5315 / 53 — Nails, Machine Keys, and Pins
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-318-792025866POSSIBLE MATCH
PUMP UNIT,CENTRIFUGAL
Possible match (shared part number)Industrial Technologies and Services Llc
5365-01-407-237425866POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Astrocom Electronics Inc
4320-01-579-892725866POSSIBLE MATCH
BASE,PUMP
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
25866
3/9Design control — primary reference
Lucas Cav
Related Parts
4320-01-318-7920POSSIBLE MATCH
PUMP UNIT,CENTRIFUGAL
25866
5365-01-407-2374POSSIBLE MATCH
SPACER,SLEEVE
25866
4320-01-579-8927POSSIBLE MATCH
BASE,PUMP
25866
Frequently Asked Questions
What is NSN 5315-01-121-5240?
NSN 5315-01-121-5240 is a Pin,pump Housing, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
What NSN replaces 5315-01-121-5240?
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-318-7920, 5365-01-407-2374, 4320-01-579-8927. Verify interchangeability with system specifications before substitution.
Is NSN 5315-01-121-5240 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.