General Characteristics Item Description: ALUMINUM; 4 HOLES 0.218 IN. DIA; SLOT 0.750 IN. DIA; 2.562 IN. X 2.562 IN. SQUARE IN
Identification
NSN: 6320-01-171-3238
NIIN: 011713238
FSC: 6320 — Shipboard Alarm and Signal Systems
FSG: 63 — Alarm, Signal, and Security Detection Systems
General Description
The Retainer,snorkel Induction Mast, cataloged under National Stock Number 6320-01-171-3238, is classified within Federal Supply Class 6320 (Shipboard Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6320-01-171-3238
Item Name
Retainer,snorkel Induction Mast
FSC / FSG
6320 / 63 — Shipboard Alarm and Signal Systems
Status
ACTIVE
General Characteristics Item Description
ALUMINUM; 4 HOLES 0.218 IN. DIA; SLOT 0.750 IN. DIA; 2.562 IN. X 2.562 IN. SQUARE IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
77643-65X24 PIECE 30
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6320 — Shipboard Alarm and Signal Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6320-00-004-9155
6320-00-004-9155 · Item name not on file
6320-00-004-9156
6320-00-004-9156 · Item name not on file
6320-00-004-9158
COPY,NEON,STOP
6320-00-007-5409
6320-00-007-5409 · Item name not on file
6320-00-007-5410
6320-00-007-5410 · Item name not on file
6320-00-024-1003
CONTACT AND SPRING
6320-00-024-1004
CONTACT AND SPRING
6320-00-025-9652
6320-00-025-9652 · Item name not on file
Frequently Asked Questions
What is NSN 6320-01-171-3238?
NSN 6320-01-171-3238 is a Retainer,snorkel Induction Mast, classified under FSC 6320, Shipboard Alarm and Signal Systems. Status: active.
What are the specifications of 6320-01-171-3238?
Key specifications for 6320-01-171-3238: General Characteristics Item Description: ALUMINUM; 4 HOLES 0.218 IN. DIA; SLOT 0.750 IN. DIA; 2.562 IN. X 2.562 IN. SQUARE IN; End Item Identification: SNORKEL INDUCTION MAST,P/N77643-65X24. 1 specification is documented in the U.S. Government catalog.
Is NSN 6320-01-171-3238 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.