PartsTable TECHNICAL DATA SHEET

NSN 5305-00-537-8201Government record, cited

Screw, Cap, Socket Head5305-00-537-8201

NSN 5305-00-537-8201 · NIIN 005378201

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-00-537-8201 · 5305005378201 · NIIN 005378201 · 00-537-8201 · FSC 5305 Screws · 11503 · 6L4970-18-10S

Nearby stock numbers ← 5305-00-537-8200 Screw, Cap, Socket Head · 5305-00-537-8202 →

5305-00-537-8201 — Screws

Features

Screw,cap,socket Head — FSC 5305
Width Across Flats: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Head Height: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
Fastener Length: 0.500 INCHES NOMINAL IN
Thread Length: 0.418 INCHES NOMINAL IN
Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 0.164 INCHES IN

Identification

NSN: 5305-00-537-8201
NIIN: 005378201
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-537-8201, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-00-537-8201
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Width Across Flats	0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Head Height	0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
Fastener Length	0.500 INCHES NOMINAL IN
Thread Length	0.418 INCHES NOMINAL IN
Hardness Rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Material Document and Classification	AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter	0.164 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 COMP 410 OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Head Diameter	0.265 INCHES MINIMUM AND 0.270 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

⇄ Related Items 7

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

3120-00-886-621011503 POSSIBLE MATCH

BUSHING,SLEEVE

Possible match (shared part number)Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems

4330-01-043-1980 POSSIBLE MATCH

FILTER ELEMENT,FLUID

Possible match (shared part number)

5930-01-175-1669411503-001 POSSIBLE MATCH

SWITCH,PUSH

Possible match (shared part number)Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group

5305-01-273-500911503 POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)Sps Technologies, Llc Dba PB Fasteners

7643-01-404-54731150 3 POSSIBLE MATCH

TOPOGRAPHIC GEOSPATIAL PRODUCTS

Possible match (shared part number)National Geospatial-Intelligence Agency Etds Mailstop J 21

7025-01-537-881611503 POSSIBLE MATCH

INTERFACE UNIT,AUTOMATIC DATA PR

Possible match (shared part number)Extreme Networks, Inc

5325-01-565-358711503 POSSIBLE MATCH

GROMMET BLANK,NONMETALLIC

Possible match (shared part number)Harley Davidson Motor Co Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
11503	5/9 Secondary reference U.S. Government activity
6L4970-18-10S	3/2 Design control — primary reference U.S. Government activity

Related Parts

3120-00-886-6210POSSIBLE MATCH

BUSHING,SLEEVE

11503

4330-01-043-1980POSSIBLE MATCH

FILTER ELEMENT,FLUID

5930-01-175-1669POSSIBLE MATCH

SWITCH,PUSH

411503-001

5305-01-273-5009POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

11503

7643-01-404-5473POSSIBLE MATCH

TOPOGRAPHIC GEOSPATIAL PRODUCTS

1150 3

7025-01-537-8816POSSIBLE MATCH

INTERFACE UNIT,AUTOMATIC DATA PR

11503

5325-01-565-3587POSSIBLE MATCH

GROMMET BLANK,NONMETALLIC

11503

Frequently Asked Questions

What is NSN 5305-00-537-8201?

NSN 5305-00-537-8201 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.

What NSN replaces 5305-00-537-8201?

7 possible matches (shared part number, not a government interchangeability claim): 3120-00-886-6210, 4330-01-043-1980, 5930-01-175-1669. Verify interchangeability with system specifications before substitution.

What are the specifications of 5305-00-537-8201?

Key specifications for 5305-00-537-8201: Width Across Flats: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN; Head Height: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.418 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.

Is NSN 5305-00-537-8201 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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