Setscrew5305-01-284-3339

NSN 5305-01-284-3339 · NIIN 012843339

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-284-3339 · 5305012843339 · NIIN 012843339 · 01-284-3339 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-284-3338 Screw, Machine · 5305-01-284-3341 Screw, Cap, Socket Head →

5305-01-284-3339 — Screws

Features

Setscrew — FSC 5305
Head Height: 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Fastener Length: 0.420 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Criticality Code Justification: ZZZY
Nominal Thread Diameter: 0.437 INCHES IN
Head Style: DEE CHAMFER
Thread Direction: RIGHT-HAND
Thread Class: 2A A

Identification

NSN: 5305-01-284-3339
NIIN: 012843339
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Setscrew, cataloged under National Stock Number 5305-01-284-3339, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5305-01-284-3339
Item Name	Setscrew
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Head Height	0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Fastener Length	0.420 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Criticality Code Justification	ZZZY
Nominal Thread Diameter	0.437 INCHES IN
Head Style	DEE CHAMFER
Thread Direction	RIGHT-HAND
Thread Class	2A A
Thread Quantity Per Inch	20
Material	COPPER ALLOY 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
Head Diameter	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM 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	C

Cross-Reference Index

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

Reference documents

Reference	Meaning
258E555PC34	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 5305-01-284-3339?

NSN 5305-01-284-3339 is a Setscrew, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-284-3339?

Key specifications for 5305-01-284-3339: Head Height: 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Fastener Length: 0.420 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Nominal Thread Diameter: 0.437 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-284-3339 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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