NSN 5310-01-656-9045 · NIIN 016569045 · Part number LS32540C7A
Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 563J1
Government record, cited
NSN 5310-01-656-9045 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-656-9045. Manufacturer of record part number: LS32540C7A.
Also searched as5310-01-656-9045 ·
5310016569045 ·
NIIN 016569045 ·
01-656-9045 ·
FSC 5310 Nuts and Washers · CAGE 563J1 · LS32540C7A · LS35240C7A
Manufacturer of record: Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)
Identification
NSN: 5310-01-656-9045
NIIN: 016569045
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: LS32540C7A
Manufacturer: Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)
General Description
The Washer,concave, cataloged under National Stock Number 5310-01-656-9045, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
5310-01-656-9045
Primary Part Number
LS32540C7A
Item Name
Washer,concave
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)
Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA)
Reference documents
Reference
Meaning
LS35240C7A
3/2Design control — primary reference
U.S. Government activity
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 5310-01-656-9045?
NSN 5310-01-656-9045 is a Washer,concave, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms), classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-656-9045?
NSN 5310-01-656-9045 has 1 manufacturer part number on file: LS32540C7A (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)).
What are the specifications of LS32540C7A?
Key specifications for LS32540C7A: End Item Identification: VARIOUS C5. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-656-9045 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.