Screw, Cap, Socket Head5305-01-264-8271

NSN 5305-01-264-8271 · NIIN 012648271 · Part number 645389-7CV

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 45934

Government record, cited

NSN 5305-01-264-8271 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-264-8271. Manufacturer of record part number: 645389-7CV.

Also searched as 5305-01-264-8271 · 5305012648271 · NIIN 012648271 · 01-264-8271 · FSC 5305 Screws · CAGE 45934 · 645389-7CV · 10113611

Nearby stock numbers ← 5305-01-264-8260 Screw, Machine · 5305-01-264-8472 Screw, Machine →

5305-01-264-8271 — Screws

Features

Screw,cap,socket Head — FSC 5305
1 manufacturer part number on file
Manufacturer of record: Ontic Engineering & Manufacturing, Inc Dba Ontic Us

Identification

NSN: 5305-01-264-8271
NIIN: 012648271
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 645389-7CV
Manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-264-8271, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Screw,cap,socket Head
FSC / FSG	5305 — Screws (FSG 53)
Manufacturers	Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934)

Technical Specifications

Parameter	Value
NSN	5305-01-264-8271
Primary Part Number	645389-7CV
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Manufacturer	Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
645389-7CV PRIMARY	Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)

Reference documents

Reference	Meaning
645389-7CV	5/2 Secondary reference U.S. Government activity
10113611	6/9 Informative reference only Nimikkeistokeskus Ncb Finland

Frequently Asked Questions

What is NSN 5305-01-264-8271?

NSN 5305-01-264-8271 is a Screw,cap,socket Head, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-264-8271?

NSN 5305-01-264-8271 has 1 manufacturer part number on file: 645389-7CV (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

Is NSN 5305-01-264-8271 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.

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