NSN 5310-00-944-2601 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-944-2601. Manufacturer of record part number: 65652-03159-101.
Also searched as5310-00-944-2601 ·
5310009442601 ·
NIIN 009442601 ·
00-944-2601 ·
FSC 5310 Nuts and Washers · CAGE 78286 · 65652-03159-101
Nearby stock numbers← 5310-00-944-2600 Washer, R0d End
·
5310-00-944-2602 →
5310-00-944-2601 — Nuts and Washers
Features
Washer,key — FSC 5310
Hardness Rating: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
Material Document and Classification: MIL-S-6758 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.875 INCHES NOMINAL IN
External Prebent Key Width: 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Material: STEEL COMP 4130 OVERALL
Hole Diameter: 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
The Washer,key, cataloged under National Stock Number 5310-00-944-2601, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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. Current acquisition status: Active.
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 5310-00-944-2601?
NSN 5310-00-944-2601 is a Washer,key, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-944-2601?
NSN 5310-00-944-2601 has 1 manufacturer part number on file: 65652-03159-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
What are the specifications of 65652-03159-101?
Key specifications for 65652-03159-101: Hardness Rating: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM; Material Document and Classification: MIL-S-6758 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.875 INCHES NOMINAL IN; External Prebent Key Width: 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-944-2601 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.