NSN 5310-01-400-5850 · NIIN 014005850 · Part number 064821
L3 Technologies, Inc. Div L3 Keo · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 34228
Government record, cited
NSN 5310-01-400-5850 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-400-5850. Manufacturer of record part number: 064821.
Also searched as5310-01-400-5850 ·
5310014005850 ·
NIIN 014005850 ·
01-400-5850 ·
FSC 5310 Nuts and Washers · CAGE 34228 · 064821
Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Outside Diameter: 2.125 INCHES NOMINAL IN
Material Thickness: 0.038 INCHES NOMINAL IN
Surface Treatment: PASSIVATE OVERALL
Material: STEEL COMP 304 OVERALL
Hole Diameter: 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
1 manufacturer part number on file
Identification
NSN: 5310-01-400-5850
NIIN: 014005850
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 064821
Manufacturer: L3 Technologies, Inc. Div L3 Keo
General Description
The Washer,keyway, cataloged under National Stock Number 5310-01-400-5850, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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.
Technical Specifications
Parameter
Value
NSN
5310-01-400-5850
Primary Part Number
064821
Item Name
Washer,keyway
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
L3 Technologies, Inc. Div L3 Keo
Status
ACTIVE
Surface Treatment Document and Classification
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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 5310-01-400-5850?
NSN 5310-01-400-5850 is a Washer,keyway, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-400-5850?
NSN 5310-01-400-5850 has 1 manufacturer part number on file: 064821 (L3 Technologies, Inc. Div L3 Keo).
What are the specifications of 064821?
Key specifications for 064821: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Outside Diameter: 2.125 INCHES NOMINAL IN; Material Thickness: 0.038 INCHES NOMINAL IN; Surface Treatment: PASSIVATE OVERALL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-400-5850 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.