PartsTable TECHNICAL DATA SHEET

NSN 5305-01-669-8127Government record, cited

Screw, Close Tolerance5305-01-669-8127

NSN 5305-01-669-8127 · NIIN 016698127

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-669-8127 · 5305016698127 · NIIN 016698127 · 01-669-8127 · FSC 5305 Screws · NAS1156V61 · NAS1156V61 · NAS1154V51 · NAS1154V51

Nearby stock numbers ← 5305-01-669-8021 Screw, Assembly · 5305-01-669-8154 Screw, Cap, Socket Head →

5305-01-669-8127 — Screws

Features

Screw,close Tolerance — FSC 5305
Fastener Length: 3.8125 INCHES NOMINAL IN
Thread Length: 0.391 INCHES NOMINAL IN
Nominal Thread Diameter: 0.375 INCHES IN
Head Style: FLAT COUNTERSUNK
Thread Direction: RIGHT-HAND
Specification/standard Data: 80205-NAS1156 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Grip Length: 3.421 INCHES NOMINAL IN

Identification

NSN: 5305-01-669-8127
NIIN: 016698127
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,close Tolerance, cataloged under National Stock Number 5305-01-669-8127, 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16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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	5305-01-669-8127
Item Name	Screw,close Tolerance
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Fastener Length	3.8125 INCHES NOMINAL IN
Thread Length	0.391 INCHES NOMINAL IN
Nominal Thread Diameter	0.375 INCHES IN
Head Style	FLAT COUNTERSUNK
Thread Direction	RIGHT-HAND
Specification/standard Data	80205-NAS1156 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Grip Length	3.421 INCHES NOMINAL IN
Grip Diameter	0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
Minimum Tensile Strength	160000 POUNDS PER SQUARE INCH LBS
Internal Drive Style	OFFSET CRUCIFORM (TORQUE SET)
Countersink Angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread Class	2A A
Thread Quantity Per Inch	24
Material	TITANIUM ALLOY UNS R54520 OVERALL
Thread Series Designator	UNIFIED NATIONAL JOINT FINE (UNJF)
Head Diameter	0.704 INCHES MINIMUM AND 0.762 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 6

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

5305-01-669-8197NAS1155V59 POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

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

5305-01-669-8331NAS1154V54 POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

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

5305-01-669-8367NAS1154V55 POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

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

5305-01-669-9541NAS1156V63 POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

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

5305-01-669-9607NAS1155V58 POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

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

5305-01-669-9614NAS1156V64 POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

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
NAS1156V61	3/2 Design control — primary reference U.S. Government activity
NAS1156V61	5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company
NAS1154V51	5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners
NAS1154V51	5/9 Secondary reference Howmet Global Fastening Systems Inc

Related Parts

5305-01-669-8197POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

NAS1155V59

5305-01-669-8331POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

NAS1154V54

5305-01-669-8367POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

NAS1154V55

5305-01-669-9541POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

NAS1156V63

5305-01-669-9607POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

NAS1155V58

5305-01-669-9614POSSIBLE MATCH

SCREW,CLOSE TOLERANCE

NAS1156V64

Frequently Asked Questions

What is NSN 5305-01-669-8127?

NSN 5305-01-669-8127 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.

What NSN replaces 5305-01-669-8127?

6 possible matches (shared part number, not a government interchangeability claim): 5305-01-669-8197, 5305-01-669-8331, 5305-01-669-8367. Verify interchangeability with system specifications before substitution.

What are the specifications of 5305-01-669-8127?

Key specifications for 5305-01-669-8127: Fastener Length: 3.8125 INCHES NOMINAL IN; Thread Length: 0.391 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Head Style: FLAT COUNTERSUNK. 16 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-669-8127 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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