Screw, Cap, Hexagon Head5305-01-170-7239

NSN 5305-01-170-7239 · NIIN 011707239

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-170-7239 · 5305011707239 · NIIN 011707239 · 01-170-7239 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-170-7238 Screw, Cap, Hexagon Head · 5305-01-170-7240 Screw, Cap, Hexagon Head →

5305-01-170-7239 — Screws

Features

Screw,cap,hexagon Head — FSC 5305
Fastener Length: 3.250 INCHES NOMINAL IN
Thread Length: 1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN
Criticality Code Justification: ZZZY
Nominal Thread Diameter: 0.500 INCHES IN
Head Style: HEXAGON
Thread Direction: RIGHT-HAND
Thread Class: 2A A

Identification

NSN: 5305-01-170-7239
NIIN: 011707239
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-170-7239, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-170-7239
Item Name	Screw,cap,hexagon Head
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Fastener Length	3.250 INCHES NOMINAL IN
Thread Length	1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN
Criticality Code Justification	ZZZY
Nominal Thread Diameter	0.500 INCHES IN
Head Style	HEXAGON
Thread Direction	RIGHT-HAND
Thread Class	2A A
Thread Quantity Per Inch	13
Material	STEEL CORROSION RESISTING OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Reference Number Differentiating Characteristics	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

Lifecycle & Compliance

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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
147D5810PC7	3/1 Design control — primary reference Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory

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 5305-01-170-7239?

NSN 5305-01-170-7239 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-170-7239?

Key specifications for 5305-01-170-7239: Fastener Length: 3.250 INCHES NOMINAL IN; Thread Length: 1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Nominal Thread Diameter: 0.500 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-170-7239 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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