NSN 5305-00-721-8553 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-721-8553. Manufacturer of record part number: NK500C3-5.
Head Height: 0.064 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Fastener Length: 0.312 INCHES NOMINAL IN
Thread Length: 0.312 INCHES MAXIMUM IN
Nominal Thread Diameter: 0.099 INCHES IN
Head Style: FILLISTER
Thread Direction: RIGHT-HAND
Locking Feature: PELLET THREADS
Identification
NSN: 5305-00-721-8553
NIIN: 007218553
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: NK500C3-5
Manufacturer: Nylok Llc
General Description
The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-721-8553, 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 14 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.
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Frequently Asked Questions
What is NSN 5305-00-721-8553?
NSN 5305-00-721-8553 is a Screw,cap,socket Head, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-00-721-8553?
NSN 5305-00-721-8553 has 2 manufacturer part numbers on file: 1307328-7 (Honeywell Intl Inc Defense Avionics Systems), NK500C3-5 (Nylok Llc).
What are the specifications of NK500C3-5?
Key specifications for NK500C3-5: Head Height: 0.064 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Fastener Length: 0.312 INCHES NOMINAL IN; Thread Length: 0.312 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.099 INCHES IN. 14 specifications are documented in the U.S. Government catalog.
Is NSN 5305-00-721-8553 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.