NSN 5305-00-685-2807 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-685-2807. Manufacturer of record part number: NK525-8-7.
Extended Washer Thickness: 0.023 INCHES NOMINAL IN
Head Height: 0.087 INCHES NOMINAL IN
Fastener Length: 0.438 INCHES NOMINAL IN
Extended Washer Diameter: 0.375 INCHES NOMINAL IN
Thread Length: 0.375 INCHES MINIMUM IN
Nominal Thread Diameter: 0.164 INCHES IN
Head Style: ROUND EXTENDED WASHER
Identification
NSN: 5305-00-685-2807
NIIN: 006852807
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: NK525-8-7
Manufacturer: Nylok Llc
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-685-2807, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nylok Llc. Government technical data includes 16 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5305-00-000-0094
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5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-00-685-2807?
NSN 5305-00-685-2807 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-00-685-2807?
NSN 5305-00-685-2807 has 2 manufacturer part numbers on file: 1300643-2 (Honeywell Intl Inc Defense Avionics Systems), NK525-8-7 (Nylok Llc).
What are the specifications of NK525-8-7?
Key specifications for NK525-8-7: Extended Washer Thickness: 0.023 INCHES NOMINAL IN; Head Height: 0.087 INCHES NOMINAL IN; Fastener Length: 0.438 INCHES NOMINAL IN; Extended Washer Diameter: 0.375 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
Is NSN 5305-00-685-2807 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.