Screw, Machine5305-01-477-7988

NSN 5305-01-477-7988 · NIIN 014777988

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-477-7988 · 5305014777988 · NIIN 014777988 · 01-477-7988 · FSC 5305 Screws · FF-S-92 · 803-5959220 PIECE 72 · 1/2-13UNC-2A 3/4 CRES · 8100-1256-0262 PC 72

Nearby stock numbers ← 5305-01-477-7980 Screw, Cap, Hexagon Head · 5305-01-477-8073 Screw, Machine →

5305-01-477-7988 — Screws

Features

Screw,machine — FSC 5305
Fastener Length: 0.750 INCHES NOMINAL IN
Nominal Thread Diameter: 0.500 INCHES IN
Head Style: FLAT COUNTERSUNK
Thread Direction: RIGHT-HAND
Nondefinitive Spec/std Data: 1 TYPE AND 2S STYLE
Locking Feature: PATCH OR PELLET OR STRIP
Screw Material: STEEL CORROSION RESISTING

Identification

NSN: 5305-01-477-7988
NIIN: 014777988
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,machine, cataloged under National Stock Number 5305-01-477-7988, 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12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5305-01-477-7988
Item Name	Screw,machine
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Fastener Length	0.750 INCHES NOMINAL IN
Nominal Thread Diameter	0.500 INCHES IN
Head Style	FLAT COUNTERSUNK
Thread Direction	RIGHT-HAND
Nondefinitive Spec/std Data	1 TYPE AND 2S STYLE
Locking Feature	PATCH OR PELLET OR STRIP
Screw Material	STEEL CORROSION RESISTING
Internal Drive Style	SLOT
Countersink Angle	82.0 DEGREES NOMINAL
Thread Class	2A A
Thread Quantity Per Inch	13
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)

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
803-5959220 PIECE 72	5/1 Secondary reference Naval Sea Systems Command
1/2-13UNC-2A 3/4 CRES	2/2 Government specification standardization U.S. Government activity
8100-1256-0262 PC 72	5/1 Secondary reference Bath Iron Works Corporation

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.

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-1397

5305-00-000-1397 · Item name not on file

5305-00-000-2625

5305-00-000-2625 · Item name not on file

5305-00-000-3669

5305-00-000-3669 · Item name not on file

5305-00-000-3830

5305-00-000-3830 · Item name not on file

5305-00-000-3831

5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-477-7988?

NSN 5305-01-477-7988 is a Screw,machine, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-477-7988?

Key specifications for 5305-01-477-7988: Fastener Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-477-7988 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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