Screw, Shoulder5305-01-659-3556

NSN 5305-01-659-3556 · NIIN 016593556 · Part number 67588-SS-12

Accurate Screw Machine Corp Div Accurate Screw Machine Corporation · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 51506

Government record, cited

NSN 5305-01-659-3556 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-659-3556. Manufacturer of record part number: 67588-SS-12.

Also searched as 5305-01-659-3556 · 5305016593556 · NIIN 016593556 · 01-659-3556 · FSC 5305 Screws · CAGE 51506 · 67588-SS-12

Nearby stock numbers ← 5305-01-659-3549 Screw, Cap, Socket Head · 5305-01-659-3572 Screw, Cap, Hexagon Head →

5305-01-659-3556 — Screws

Features

Screw,shoulder — FSC 5305
Width Across Flats: 0.125 INCHES NOMINAL IN
Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Fastener Length: 1.00 INCHES NOMINAL IN
Shoulder Length: 0.0312 INCHES NOMINAL SECOND SHOULDER IN
Shoulder Length: 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder Diameter: 0.2385 INCHES MINIMUM AND 0.2395 INCHES MAXIMUM SECOND SHOULDER IN

Identification

NSN: 5305-01-659-3556
NIIN: 016593556
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 67588-SS-12
Manufacturer: Accurate Screw Machine Corp Div Accurate Screw Machine Corporation

General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-659-3556, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 20 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	5305-01-659-3556
Primary Part Number	67588-SS-12
Item Name	Screw,shoulder
FSC / FSG	5305 / 53 — Screws
Manufacturer	Accurate Screw Machine Corp Div Accurate Screw Machine Corporation
Status	ACTIVE
Width Across Flats	0.125 INCHES NOMINAL IN
Head Height	0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Fastener Length	1.00 INCHES NOMINAL IN
Shoulder Length	0.0312 INCHES NOMINAL SECOND SHOULDER IN
Shoulder Length	0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder Diameter	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder Diameter	0.2385 INCHES MINIMUM AND 0.2395 INCHES MAXIMUM SECOND SHOULDER IN
Thread Length	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Shoulder Shape	ROUND SECOND SHOULDER
Shoulder Shape	ROUND FIRST SHOULDER
Nominal Thread Diameter	0.190 INCHES IN
Head Style	FLAT CHAMFER
Thread Direction	RIGHT-HAND
Surface Treatment	PASSIVATE OVERALL
Internal Drive Style	HEXAGON
Thread Class	2A A
Thread Quantity Per Inch	32
Material	STEEL CORROSION RESISTING OVERALL
Thread Series Designator	UNF
Head Diameter	0.371 INCHES MINIMUM AND 0.379 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

Part Number	Manufacturer
67588-SS-12 PRIMARY	Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (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.

5305-00-000-0094

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 5305-01-659-3556?

NSN 5305-01-659-3556 is a Screw,shoulder, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-659-3556?

NSN 5305-01-659-3556 has 1 manufacturer part number on file: 67588-SS-12 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).

What are the specifications of 67588-SS-12?

Key specifications for 67588-SS-12: Width Across Flats: 0.125 INCHES NOMINAL IN; Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 1.00 INCHES NOMINAL IN; Shoulder Length: 0.0312 INCHES NOMINAL SECOND SHOULDER IN. 20 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-659-3556 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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