Screw, Cap, Hexagon Head5305-01-643-7020

NSN 5305-01-643-7020 · NIIN 016437020 · Part number N9703

C E Niehoff & Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 76761

Government record, cited

NSN 5305-01-643-7020 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-643-7020. Manufacturer of record part number: N9703.

Also searched as 5305-01-643-7020 · 5305016437020 · NIIN 016437020 · 01-643-7020 · FSC 5305 Screws · CAGE 76761 · N9703

Nearby stock numbers ← 5305-01-643-6893 Screw, Cap, Socket Head · 5305-01-643-7043 Screw, Machine →

5305-01-643-7020 — Screws

Features

Screw,cap,hexagon Head — FSC 5305
Fastener Length: 0.750 INCHES NOMINAL IN
Nominal Thread Diameter: 0.312 INCHES IN
Head Style: PAN
Thread Direction: RIGHT-HAND
Surface Treatment: OXIDE OVERALL
Thread Class: 2A A
Thread Quantity Per Inch: 18

Identification

NSN: 5305-01-643-7020
NIIN: 016437020
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: N9703
Manufacturer: C E Niehoff & Co

General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-643-7020, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is C E Niehoff & Co. Government technical data includes 9 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	5305-01-643-7020
Primary Part Number	N9703
Item Name	Screw,cap,hexagon Head
FSC / FSG	5305 / 53 — Screws
Manufacturer	C E Niehoff & Co
Status	ACTIVE
Fastener Length	0.750 INCHES NOMINAL IN
Nominal Thread Diameter	0.312 INCHES IN
Head Style	PAN
Thread Direction	RIGHT-HAND
Surface Treatment	OXIDE OVERALL
Thread Class	2A A
Thread Quantity Per Inch	18
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Head Diameter	0.550 INCHES NOMINAL IN

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
N9703 PRIMARY	C E Niehoff & Co (USA)

No interchangeability data on file.

Other items in FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-001-5016

5305-00-001-5016 · Item name not on file

5305-00-001-9160

5305-00-001-9160 · Item name not on file

5305-00-001-9629

SCREW,ADJUSTING CLEVIS

5305-00-001-9742

5305-00-001-9742 · Item name not on file

5305-00-001-9768

SCREW,CAP,SOCKET HEAD

5305-00-003-4306

SCREW,MACHINE

5305-00-003-6694

5305-00-003-6694 · Item name not on file

5305-00-003-6753

5305-00-003-6753 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-643-7020?

NSN 5305-01-643-7020 is a Screw,cap,hexagon Head, manufactured by C E Niehoff & Co, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-643-7020?

NSN 5305-01-643-7020 has 1 manufacturer part number on file: N9703 (C E Niehoff & Co).

What are the specifications of N9703?

Key specifications for N9703: Fastener Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Head Style: PAN; Thread Direction: RIGHT-HAND. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-643-7020 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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