NSN 2040-01-484-8593 · NIIN 014848593 · Part number 721-7286700-7
Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711
Government record, cited
NSN 2040-01-484-8593 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-484-8593. Manufacturer of record part number: 721-7286700-7.
The Arm,hatch, cataloged under National Stock Number 2040-01-484-8593, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
Arm,hatch
FSC / FSG
2040 — Marine Hardware and Hull Items (FSG 20)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
2040-01-484-8593
Primary Part Number
721-7286700-7
Item Name
Arm,hatch
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
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
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-484-9221721-7286700-34POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3120-01-484-9260721-7286700-14POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3120-01-484-9577721-7286700-13POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3120-01-484-9608721-7286700-38POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3120-01-484-9645721-7286700-12POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
2040-01-485-0017H861-1503-47POSSIBLE MATCH
BLOCK,GAGGING
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5365-01-485-0680721-7286700-15POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Naval Sea Systems Command
3120-01-485-0708721-7286700-8POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3120-01-485-0732721-7286700-18POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3120-01-485-0815KJB344700V-9POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Kamatics Corporation
NSN 2040-01-484-8593 is a Arm,hatch, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What part numbers are listed for NSN 2040-01-484-8593?
NSN 2040-01-484-8593 has 1 manufacturer part number on file: 721-7286700-7 (Naval Sea Systems Command).
What NSN replaces 2040-01-484-8593?
11 possible matches (shared part number, not a government interchangeability claim): 3120-01-484-9221, 3120-01-484-9260, 3120-01-484-9577. Verify interchangeability with system specifications before substitution.
Is NSN 2040-01-484-8593 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.