NSN 5310-01-681-0732 · NIIN 016810732 · Part number LKS-440-1MD
Penn Engineering & Manufacturing Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 46384
Government record, cited
NSN 5310-01-681-0732 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-681-0732. Manufacturer of record part number: LKS-440-1MD.
Also searched as5310-01-681-0732 ·
5310016810732 ·
NIIN 016810732 ·
01-681-0732 ·
FSC 5310 Nuts and Washers · CAGE 46384 · LKS-440-1MD · 3994AS3542
Manufacturer of record: Penn Engineering & Manufacturing Corp
Identification
NSN: 5310-01-681-0732
NIIN: 016810732
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: LKS-440-1MD
Manufacturer: Penn Engineering & Manufacturing Corp
General Description
The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-681-0732, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Nut,self-Locking,clinch
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Penn Engineering & Manufacturing Corp (CAGE 46384)
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-681-0732?
NSN 5310-01-681-0732 is a Nut,self-Locking,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-681-0732?
NSN 5310-01-681-0732 has 1 manufacturer part number on file: LKS-440-1MD (Penn Engineering & Manufacturing Corp).
Is NSN 5310-01-681-0732 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.