NSN 5340-01-049-6541 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-049-6541. Manufacturer of record part number: 747872-4.
Also searched as5340-01-049-6541 ·
5340010496541 ·
NIIN 010496541 ·
01-049-6541 ·
FSC 5340 Hardware, Commercial · CAGE 73030 · 747872-4
Nearby stock numbers← 5340-01-049-6540 Clevis, Rod End
·
5340-01-049-6610 →
Features
Seat,helical Compression Spring — FSC 5340
First Step Diameter: 0.3050 INCHES NOMINAL IN
End Diameter: 0.2750 INCHES NOMINAL IN
Style Designator: SEAT
Second Step Diameter: 0.3850 INCHES NOMINAL IN
Bore Diameter: 0.1280 INCHES NOMINAL IN
Material: STEEL
2 manufacturer part numbers on file
Identification
NSN: 5340-01-049-6541
NIIN: 010496541
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 747872-4
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-049-6541, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-01-049-6541
Primary Part Number
747872-4
Item Name
Seat,helical Compression Spring
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Hamilton Sundstrand Corporation Dba Collins Aerospace
Status
ACTIVE
First Step Diameter
0.3050 INCHES NOMINAL IN
End Diameter
0.2750 INCHES NOMINAL IN
Style Designator
SEAT
Second Step Diameter
0.3850 INCHES NOMINAL IN
Bore Diameter
0.1280 INCHES NOMINAL IN
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
No interchangeability data on file.
Other items in FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068
COVER,ACCESS
5340-00-000-0132
SEAT,HELICAL COMPRESSION SPRING
5340-00-000-8150
5340-00-000-8150 · Item name not on file
5340-00-001-1251
5340-00-001-1251 · Item name not on file
5340-00-001-1264
STRAP,WEBBING
5340-00-001-1265
STRAP,WEBBING
5340-00-001-1266
STRAP,WEBBING
5340-00-001-1275
HANDLE,DOOR
Frequently Asked Questions
What is NSN 5340-01-049-6541?
NSN 5340-01-049-6541 is a Seat,helical Compression Spring, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-049-6541?
NSN 5340-01-049-6541 has 2 manufacturer part numbers on file: 747872-4 (Peerless Screw Products Corporation), 747872-4 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
What are the specifications of 747872-4?
Key specifications for 747872-4: Overall Height: 0.3320 INCHES NOMINAL IN; First Step Diameter: 0.3050 INCHES NOMINAL IN; End Diameter: 0.2750 INCHES NOMINAL IN; Style Designator: SEAT. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-049-6541 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.