Screw, Cap, Socket Head5305-01-628-6971

NSN 5305-01-628-6971 · NIIN 016286971 · Part number 552693

Hydrema U.s., Inc. Dba Hydrema Us Inc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 5PFF0

Government record, cited

NSN 5305-01-628-6971 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-628-6971. Manufacturer of record part number: 552693.

Also searched as 5305-01-628-6971 · 5305016286971 · NIIN 016286971 · 01-628-6971 · FSC 5305 Screws · CAGE 5PFF0 · 552693 · 91304A172

Nearby stock numbers ← 5305-01-628-6948 Screw, Machine · 5305-01-628-7040 Screw, Cap, Socket Head →

5305-01-628-6971 — Screws

Features

Screw,cap,socket Head — FSC 5305
Width Across Flats: 8.0 MILLIMETERS NOMINAL MM
Fastener Length: 25.0 MILLIMETERS NOMINAL MM
Thread Pitch in Millimeters: 12.0
Thread Length: 18.5 MILLIMETERS NOMINAL MM
Hardness Rating: 32.0 ROCKWELL C NOMINAL OVERALL
Nominal Thread Diameter: 1.75 MILLIMETERS MM
Head Style: FLAT COUNTERSUNK

Identification

NSN: 5305-01-628-6971
NIIN: 016286971
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 552693
Manufacturer: Hydrema U.s., Inc. Dba Hydrema Us Inc

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-628-6971, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hydrema U.s., Inc. Dba Hydrema Us Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-628-6971
Primary Part Number	552693
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Manufacturer	Hydrema U.s., Inc. Dba Hydrema Us Inc
Status	ACTIVE
Width Across Flats	8.0 MILLIMETERS NOMINAL MM
Fastener Length	25.0 MILLIMETERS NOMINAL MM
Thread Pitch in Millimeters	12.0
Thread Length	18.5 MILLIMETERS NOMINAL MM
Hardness Rating	32.0 ROCKWELL C NOMINAL OVERALL
Nominal Thread Diameter	1.75 MILLIMETERS MM
Head Style	FLAT COUNTERSUNK
Thread Direction	RIGHT-HAND
Minimum Tensile Strength	120000 POUNDS PER SQUARE INCH LBS
Internal Drive Style	HEXAGON
Countersink Angle	90.0 DEGREES NOMINAL
Material	STEEL OVERALL
Thread Series Designator	M
Head Diameter	24.0 MILLIMETERS NOMINAL MM

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
552693 PRIMARY	Hydrema U.s., Inc. Dba Hydrema Us Inc (USA)
91304A172	Mcmaster-Carr Supply Co (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 5305-01-628-6971?

NSN 5305-01-628-6971 is a Screw,cap,socket Head, manufactured by Hydrema U.s., Inc. Dba Hydrema Us Inc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-628-6971?

NSN 5305-01-628-6971 has 2 manufacturer part numbers on file: 552693 (Hydrema U.s., Inc. Dba Hydrema Us Inc), 91304A172 (Mcmaster-Carr Supply Co).

What are the specifications of 552693?

Key specifications for 552693: Width Across Flats: 8.0 MILLIMETERS NOMINAL MM; Fastener Length: 25.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 12.0; Thread Length: 18.5 MILLIMETERS NOMINAL MM. 14 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-628-6971 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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