NSN 5340-01-486-3722 · NIIN 014863722 · Part number 122-7312139 PC 43
Naval Sea Systems Command · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5340-01-486-3722 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-486-3722. Manufacturer of record part number: 122-7312139 PC 43.
Also searched as5340-01-486-3722 ·
5340014863722 ·
NIIN 014863722 ·
01-486-3722 ·
FSC 5340 Hardware, Commercial · CAGE 53711 · 122-7312139 PC 43 · 122-7312139
The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-486-3722, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-01-486-3722
Primary Part Number
122-7312139 PC 43
Item Name
Seat,helical Compression Spring
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
First Step Diameter
3.8750 INCHES NOMINAL IN
Design Type
SOLID
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-486-4295122-7312139 PC 45POSSIBLE MATCH
ROLLER,LINEAR-ROTARY MOTION
Possible match (shared part number)Naval Sea Systems Command
3120-01-487-1663122-7312139 PC 8POSSIBLE MATCH
ROLLER,LINEAR-ROTARY MOTION
Possible match (shared part number)Naval Sea Systems Command
3120-01-487-1664122-7312139 PC54POSSIBLE MATCH
ROLLER,LINEAR-ROTARY MOTION
Possible match (shared part number)Sgrignoli Manufacturing Company
3120-01-487-1671122-7312139 PC 62POSSIBLE MATCH
ROLLER,LINEAR-ROTARY MOTION
Possible match (shared part number)Naval Sea Systems Command
5365-01-540-0800122-7312139 PC 23POSSIBLE MATCH
SPACER,PLATE
Possible match (shared part number)Naval Sea Systems Command
NSN 5340-01-486-3722 is a Seat,helical Compression Spring, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-486-3722?
NSN 5340-01-486-3722 has 1 manufacturer part number on file: 122-7312139 PC 43 (Naval Sea Systems Command).
What NSN replaces 5340-01-486-3722?
5 possible matches (shared part number, not a government interchangeability claim): 3120-01-486-4295, 3120-01-487-1663, 3120-01-487-1664. Verify interchangeability with system specifications before substitution.
What are the specifications of 122-7312139 PC 43?
Key specifications for 122-7312139 PC 43: Overall Height: 0.3750 INCHES NOMINAL IN; First Step Diameter: 3.8750 INCHES NOMINAL IN; Design Type: SOLID; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-486-3722 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.