NSN 5310-00-451-0045 · NIIN 004510045 · Part number WD20751
Naval Inventory Control Point Mechanicsburg · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 03950
Government record, cited
NSN 5310-00-451-0045 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-451-0045. Manufacturer of record part number: WD20751.
Also searched as5310-00-451-0045 ·
5310004510045 ·
NIIN 004510045 ·
00-451-0045 ·
FSC 5310 Nuts and Washers · CAGE 03950 · WD20751
Outside Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Material Thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
Material: COPPER ALLOY OVERALL
Hole Diameter: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
1 manufacturer part number on file
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 5310-00-451-0045
NIIN: 004510045
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: WD20751
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Washer,spring Tension, cataloged under National Stock Number 5310-00-451-0045, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 5 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.
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Frequently Asked Questions
What is NSN 5310-00-451-0045?
NSN 5310-00-451-0045 is a Washer,spring Tension, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-451-0045?
NSN 5310-00-451-0045 has 1 manufacturer part number on file: WD20751 (Naval Inventory Control Point Mechanicsburg).
What are the specifications of WD20751?
Key specifications for WD20751: Overall Height: 0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM; Outside Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Material Thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-451-0045 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.