NSN 5310-01-507-0901 · NIIN 015070901 · Part number 03309-20
Defense Logistics Agency Dba Defense Supply Center Philadelphia · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 14153
Government record, cited
NSN 5310-01-507-0901 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-507-0901. Manufacturer of record part number: 03309-20.
Also searched as5310-01-507-0901 ·
5310015070901 ·
NIIN 015070901 ·
01-507-0901 ·
FSC 5310 Nuts and Washers · CAGE 14153 · 03309-20 · 95630A242
Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Identification
NSN: 5310-01-507-0901
NIIN: 015070901
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 03309-20
Manufacturer: Defense Logistics Agency Dba Defense Supply Center Philadelphia
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-507-0901, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 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
5310-01-507-0901
Primary Part Number
03309-20
Item Name
Washer,flat
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 5310-01-507-0901?
NSN 5310-01-507-0901 is a Washer,flat, 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 5310-01-507-0901?
NSN 5310-01-507-0901 has 2 manufacturer part numbers on file: 03309-20 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 95630A242 (Mcmaster-Carr Supply Co).
What are the specifications of 03309-20?
Key specifications for 03309-20: Overall Diameter: 0.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: WHITE POLYTETRAFLUOROETHYLENE; Peripheral Shape Style: ROUND. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-507-0901 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.