NSN 5310-01-264-4359 · NIIN 012644359 · Part number 41005991
Pti Technologies Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05228
Government record, cited
NSN 5310-01-264-4359 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-264-4359. Manufacturer of record part number: 41005991.
Also searched as5310-01-264-4359 ·
5310012644359 ·
NIIN 012644359 ·
01-264-4359 ·
FSC 5310 Nuts and Washers · CAGE 05228 · 41005991
Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 1.060 INCHES NOMINAL IN
Material Thickness: 0.025 INCHES NOMINAL IN
External Key Quantity: 1
Material: STEEL CORROSION RESISTING OVERALL
Internal Key Quantity: 12
Hole Diameter: 0.550 INCHES NOMINAL IN
Identification
NSN: 5310-01-264-4359
NIIN: 012644359
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 41005991
Manufacturer: Pti Technologies Inc.
General Description
The Washer,key, cataloged under National Stock Number 5310-01-264-4359, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pti Technologies Inc.. Government technical data includes 7 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
5310-01-264-4359
Primary Part Number
41005991
Item Name
Washer,key
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Pti Technologies Inc.
Status
ACTIVE
Material Document and Classification
QQ-S-766 FED SPEC SINGLE MATERIAL 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 5310-01-264-4359?
NSN 5310-01-264-4359 is a Washer,key, manufactured by Pti Technologies Inc., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-264-4359?
NSN 5310-01-264-4359 has 1 manufacturer part number on file: 41005991 (Pti Technologies Inc.).
What are the specifications of 41005991?
Key specifications for 41005991: Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.060 INCHES NOMINAL IN; Material Thickness: 0.025 INCHES NOMINAL IN; External Key Quantity: 1. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-264-4359 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.