NSN 3040-01-485-1826 · NIIN 014851826 · Part number 721-7286700-28
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-485-1826 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-485-1826. Manufacturer of record part number: 721-7286700-28.
Also searched as3040-01-485-1826 ·
3040014851826 ·
NIIN 014851826 ·
01-485-1826 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 721-7286700-28 · 7286700 · H861-1503-28 · H861-1503
Material Document and Classification: ASTM A693, TY-630 (1100) ASSN STD SINGLE MATERIAL RESPONSE
Surface Treatment: PAINT
Material: STEEL CORROSION RESISTING
Body Thickness: 3.000 INCHES NOMINAL IN
1 manufacturer part number on file
Identification
NSN: 3040-01-485-1826
NIIN: 014851826
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 721-7286700-28
Manufacturer: Naval Sea Systems Command
General Description
The Connecting Link,rigid, cataloged under National Stock Number 3040-01-485-1826, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-485-1826
Primary Part Number
721-7286700-28
Item Name
Connecting Link,rigid
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Body Construction
SOLID
Body Width
12.500 INCHES NOMINAL IN
Material Document and Classification
ASTM A693, TY-630 (1100) ASSN STD SINGLE MATERIAL RESPONSE
Surface Treatment
PAINT
Material
STEEL CORROSION RESISTING
Body Thickness
3.000 INCHES NOMINAL 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
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3130-01-485-7639H861-1503-10POSSIBLE MATCH
HOUSING,BEARING UNIT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3130-01-485-7645H861-1503-11POSSIBLE MATCH
HOUSING,BEARING UNIT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-487-0318721-7286700-29POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3040-01-487-0319721-7286700-30POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3040-01-487-0320721-7286700-31POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3040-01-487-0322721-7286700-32POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3040-01-487-0323721-7286700-33POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-485-1826 is a Connecting Link,rigid, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-485-1826?
NSN 3040-01-485-1826 has 1 manufacturer part number on file: 721-7286700-28 (Naval Sea Systems Command).
What NSN replaces 3040-01-485-1826?
7 possible matches (shared part number, not a government interchangeability claim): 3130-01-485-7639, 3130-01-485-7645, 3040-01-487-0318. Verify interchangeability with system specifications before substitution.
What are the specifications of 721-7286700-28?
Key specifications for 721-7286700-28: Body Construction: SOLID; Body Width: 12.500 INCHES NOMINAL IN; Material Document and Classification: ASTM A693, TY-630 (1100) ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 27.520 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-485-1826 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.