Screw, Externally Relieved Body5305-01-579-2949

NSN 5305-01-579-2949 · NIIN 015792949

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-579-2949 · 5305015792949 · NIIN 015792949 · 01-579-2949 · FSC 5305 Screws · FF-S-92 · MS51495-4

Nearby stock numbers ← 5305-01-579-2844 Screw, Machine · 5305-01-579-2967 Screw, Cap, Hexagon Head →

5305-01-579-2949 — Screws

Features

Screw,externally Relieved Body — FSC 5305
Head Height: 0.141 INCHES MAXIMUM IN
Fastener Length: 0.816 INCHES MAXIMUM IN
Thread Length: 0.228 INCHES MAXIMUM IN
First Diameter From Head: 0.385 INCHES MAXIMUM IN
Nominal Thread Diameter: 0.138 INCHES IN
Head Style: PAN NO. 2
Thread Direction: RIGHT-HAND

Identification

NSN: 5305-01-579-2949
NIIN: 015792949
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-579-2949, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-579-2949
Item Name	Screw,externally Relieved Body
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Head Height	0.141 INCHES MAXIMUM IN
Fastener Length	0.816 INCHES MAXIMUM IN
Thread Length	0.228 INCHES MAXIMUM IN
First Diameter From Head	0.385 INCHES MAXIMUM IN
Nominal Thread Diameter	0.138 INCHES IN
Head Style	PAN NO. 2
Thread Direction	RIGHT-HAND
Externally Relieved Body Diameter Quantity	1
Internal Drive Style	SLOT
Thread Class	2A A
Thread Quantity Per Inch	32
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Head Diameter	0.297 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	X

Cross-Reference Index

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

Reference documents

Reference	Meaning
FF-S-92	4/1 Identification reference U.S. Government activity
MS51495-4	2/2 Government specification standardization U.S. Government activity

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 5305-01-579-2949?

NSN 5305-01-579-2949 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-579-2949?

Key specifications for 5305-01-579-2949: Head Height: 0.141 INCHES MAXIMUM IN; Fastener Length: 0.816 INCHES MAXIMUM IN; Thread Length: 0.228 INCHES MAXIMUM IN; First Diameter From Head: 0.385 INCHES MAXIMUM IN. 14 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-579-2949 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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