Guide Chain 4921-01-374-0551 NSN 4921-01-374-0551 · NIIN 013740551
FSC 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment
Also searched as
4921-01-374-0551 ·
4921013740551 ·
NIIN 013740551 ·
01-374-0551 ·
FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment · 12121000 ITEM 60 · 12121000 ITEM 6 0 · 12121000 ITEM 6 0
Nearby stock numbers
← 4921-01-373-9286
·
4921-01-375-3791 Test Set Subassembly, Torpedo Com →
Identification
NSN: 4921-01-374-0551
NIIN: 013740551
FSC: 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
General Description
The Guide Chain, cataloged under National Stock Number 4921-01-374-0551, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Guide Chain FSC / FSG 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment (FSG 49)
Technical Specifications
Parameter Value NSN 4921-01-374-0551 Item Name Guide Chain FSC / FSG 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL B — Remove Demilitarization Key Points Hazard No hazard code in the DLA record (HMIC N)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference Meaning
12121000 ITEM 60
3/9 Design control — primary reference U.S. Government activity
12121000 ITEM 6 0
3/2 Design control — primary reference U.S. Government activity
12121000 ITEM 6 0
5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics
No interchangeability data on file.
Other items in FSC 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4921-00-001-6500
4921-00-001-6500 · Item name not on file
4921-00-003-1270
4921-00-003-1270 · Item name not on file
4921-00-003-1271
4921-00-003-1271 · Item name not on file
4921-00-003-1273
TEST SET SUBASSEMBLY,TORPEDO COM
4921-00-003-1274
4921-00-003-1274 · Item name not on file
4921-00-003-1275
4921-00-003-1275 · Item name not on file
4921-00-003-1276
4921-00-003-1276 · Item name not on file
4921-00-003-1278
4921-00-003-1278 · Item name not on file
Frequently Asked Questions
What is NSN 4921-01-374-0551?
NSN 4921-01-374-0551 is a Guide Chain, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
Is NSN 4921-01-374-0551 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.
What is the DEMIL code for NSN 4921-01-374-0551?
NSN 4921-01-374-0551 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.
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