NSN 4921-01-141-3740 · NIIN 011413740 · Part number BA71251
O T S I · FSC 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 05825
Government record, cited
NSN 4921-01-141-3740 — this item is cataloged by the U.S. Government under National Stock Number 4921-01-141-3740. Manufacturer of record part number: BA71251.
Also searched as4921-01-141-3740 ·
4921011413740 ·
NIIN 011413740 ·
01-141-3740 ·
FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment · CAGE 05825 · BA71251
General Characteristics Item Description: CONSISTS OF 1 EA VALVE NIPPLE,1 EA PIPE,NIPPLE,1/2 NPT BY 4.000 IN. LG; SEALANT APPLIED TO ALL MATING PIPE THDS IN
1 manufacturer part number on file
Manufacturer of record: O T S I
Identification
NSN: 4921-01-141-3740
NIIN: 011413740
FSC: 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: BA71251
Manufacturer: O T S I
General Description
The Actuator Assembly,valve, cataloged under National Stock Number 4921-01-141-3740, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is O T S I. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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
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4921-00-003-1271
4921-00-003-1271 · Item name not on file
4921-00-003-1273
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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 4921-01-141-3740?
NSN 4921-01-141-3740 is a Actuator Assembly,valve, manufactured by O T S I, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
What part numbers are listed for NSN 4921-01-141-3740?
NSN 4921-01-141-3740 has 1 manufacturer part number on file: BA71251 (O T S I).
What are the specifications of BA71251?
Key specifications for BA71251: General Characteristics Item Description: CONSISTS OF 1 EA VALVE NIPPLE,1 EA PIPE,NIPPLE,1/2 NPT BY 4.000 IN. LG; SEALANT APPLIED TO ALL MATING PIPE THDS IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4921-01-141-3740 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 4921-01-141-3740?
NSN 4921-01-141-3740 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.