PartsTable TECHNICAL DATA SHEET

NSN 5305-01-188-1645Government record, cited

Screw, Machine5305-01-188-1645

NSN 5305-01-188-1645 · NIIN 011881645

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-188-1645 · 5305011881645 · NIIN 011881645 · 01-188-1645 · FSC 5305 Screws · NA0008 · NA0091-040012

Nearby stock numbers ← 5305-01-188-1644 Screw, Machine · 5305-01-188-1646 Screw, Machine →

5305-01-188-1645 — Screws

Features

Screw,machine — FSC 5305
Screw Surface Treatment: CADMIUM
Fastener Length: 12.0 MILLIMETERS NOMINAL MM
Screw Material Document and Classification: NA0008 NATIONAL SPEC SINGLE MATERIAL RESPONSE
Thread Pitch in Millimeters: 0.7
Thread Length: 12.0 MILLIMETERS NOMINAL MM
Nominal Thread Diameter: 4.0 MILLIMETERS MM
Head Style: FLAT COUNTERSUNK

Identification

NSN: 5305-01-188-1645
NIIN: 011881645
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,machine, cataloged under National Stock Number 5305-01-188-1645, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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	5305-01-188-1645
Item Name	Screw,machine
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Screw Surface Treatment	CADMIUM
Fastener Length	12.0 MILLIMETERS NOMINAL MM
Screw Material Document and Classification	NA0008 NATIONAL SPEC SINGLE MATERIAL RESPONSE
Thread Pitch in Millimeters	0.7
Thread Length	12.0 MILLIMETERS NOMINAL MM
Nominal Thread Diameter	4.0 MILLIMETERS MM
Head Style	FLAT COUNTERSUNK
Thread Direction	RIGHT-HAND
Specification/standard Data	80205-NA0008 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Screw Material	STEEL
Internal Drive Style	TORQUE SET
Countersink Angle	100.0 DEGREES NOMINAL
Thread Series Designator	MJ
Head Diameter	8.0 MILLIMETERS NOMINAL MM
Screw Surface Treatment Document and Classification	QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE

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 6

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

5305-01-188-1646NA0091-040014 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

5305-01-188-1648NA0091-050008 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

5305-01-188-1649NA0091-050012 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

5305-01-188-1650NA0091-050014 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

5305-01-191-5248NA0091-030008 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

5305-01-191-5249NA0091-030014 POSSIBLE MATCH

SCREW,MACHINE

Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

Cross-Reference Index

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

Reference documents

Reference	Meaning
NA0008	5/1 Secondary reference U.S. Government activity
NA0091-040012	3/2 Design control — primary reference U.S. Government activity

Related Parts

5305-01-188-1646POSSIBLE MATCH

SCREW,MACHINE

NA0091-040014

5305-01-188-1648POSSIBLE MATCH

SCREW,MACHINE

NA0091-050008

5305-01-188-1649POSSIBLE MATCH

SCREW,MACHINE

NA0091-050012

5305-01-188-1650POSSIBLE MATCH

SCREW,MACHINE

NA0091-050014

5305-01-191-5248POSSIBLE MATCH

SCREW,MACHINE

NA0091-030008

5305-01-191-5249POSSIBLE MATCH

SCREW,MACHINE

NA0091-030014

Frequently Asked Questions

What is NSN 5305-01-188-1645?

NSN 5305-01-188-1645 is a Screw,machine, classified under FSC 5305, Screws. Status: active.

What NSN replaces 5305-01-188-1645?

6 possible matches (shared part number, not a government interchangeability claim): 5305-01-188-1646, 5305-01-188-1648, 5305-01-188-1649. Verify interchangeability with system specifications before substitution.

What are the specifications of 5305-01-188-1645?

Key specifications for 5305-01-188-1645: Screw Surface Treatment: CADMIUM; Fastener Length: 12.0 MILLIMETERS NOMINAL MM; Screw Material Document and Classification: NA0008 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Thread Pitch in Millimeters: 0.7. 15 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-188-1645 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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