NSN 5310-01-644-0600 · NIIN 016440600 · Part number 03363-10
Defense Logistics Agency Dba Defense Supply Center Philadelphia · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 14153
Government record, cited
NSN 5310-01-644-0600 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-644-0600. Manufacturer of record part number: 03363-10.
Also searched as5310-01-644-0600 ·
5310016440600 ·
NIIN 016440600 ·
01-644-0600 ·
FSC 5310 Nuts and Washers · CAGE 14153 · 03363-10 · 8591664 · 93776A471
Nearby stock numbers← 5310-01-644-0588 Washer, Recessed
·
5310-01-644-0605 Nut Assembly, Self-Locking, Gang C →
5310-01-644-0600 — Nuts and Washers
Features
Nut,self-Locking,extended Washer — FSC 5310
Washer Outside Diameter: 0.750 INCHES NOMINAL IN
Width Across Flats: 0.562 INCHES NOMINAL IN
Thread Series: UNF
Washer Thickness: 0.120 INCHES NOMINAL IN
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.375 INCHES IN
Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Identification
NSN: 5310-01-644-0600
NIIN: 016440600
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 03363-10
Manufacturer: Defense Logistics Agency Dba Defense Supply Center Philadelphia
General Description
The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-644-0600, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-644-0600
Primary Part Number
03363-10
Item Name
Nut,self-Locking,extended Washer
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Defense Logistics Agency Dba Defense Supply Center Philadelphia
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 5310-01-644-0600?
NSN 5310-01-644-0600 is a Nut,self-Locking,extended Washer, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-644-0600?
NSN 5310-01-644-0600 has 3 manufacturer part numbers on file: 03363-10 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 8591664 (Naval Sea Systems Command), 93776A471 (Mcmaster-Carr Supply Co).
What are the specifications of 03363-10?
Key specifications for 03363-10: Overall Height: 0.344 INCHES NOMINAL IN; Washer Outside Diameter: 0.750 INCHES NOMINAL IN; Width Across Flats: 0.562 INCHES NOMINAL IN; Thread Series: UNF. 11 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-644-0600 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.