The Key, cataloged under National Stock Number 5315-01-164-0644, 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Machine Keys, and Pins) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
Key
FSC / FSG
5315 — Nails, Machine Keys, and Pins (FSG 53)
Technical Specifications
Parameter
Value
NSN
5315-01-164-0644
Item Name
Key
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.
5220-01-264-9094NCG017POSSIBLE MATCH
GAGE,PROFILE
Possible match (shared part number)Little Rhody Machine Repair Inc
4220-01-641-4921MK17POSSIBLE MATCH
REGULATOR,BREATHING GAS PRESSURE
Possible match (shared part number)Scubapro
6920-01-702-9139MK-17POSSIBLE MATCH
TRAINING AID,MISSILE,EXPLOSIVE O
Possible match (shared part number)Improvised Electronics Llc Dba Improvised Electronics Ll
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MK-17
3/9Design control — primary reference
Itw Food Equipment Group Llc Dba Hobart Service
Related Parts
5220-01-264-9094POSSIBLE MATCH
GAGE,PROFILE
NCG017
4220-01-641-4921POSSIBLE MATCH
REGULATOR,BREATHING GAS PRESSURE
MK17
6920-01-702-9139POSSIBLE MATCH
TRAINING AID,MISSILE,EXPLOSIVE O
MK-17
Frequently Asked Questions
What is NSN 5315-01-164-0644?
NSN 5315-01-164-0644 is a Key, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
What NSN replaces 5315-01-164-0644?
3 possible matches (shared part number, not a government interchangeability claim): 5220-01-264-9094, 4220-01-641-4921, 6920-01-702-9139. Verify interchangeability with system specifications before substitution.
Is NSN 5315-01-164-0644 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.