Screw, Cap, Socket Head5305-01-157-1986

NSN 5305-01-157-1986 · NIIN 011571986

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-157-1986 · 5305011571986 · NIIN 011571986 · 01-157-1986 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-157-1984 Screw, Machine · 5305-01-157-1990 Screw, Cap, Hexagon Head →

5305-01-157-1986 — Screws

Features

Screw,cap,socket Head — FSC 5305
Fastener Length: 3.000 INCHES NOMINAL IN
Thread Length: 3.000 INCHES NOMINAL IN
Criticality Code Justification: ZZZY
Nominal Thread Diameter: 1.000 INCHES IN
Head Style: FLAT CHAMFER
Thread Direction: RIGHT-HAND
Locking Feature: PELLET THREADS

Identification

NSN: 5305-01-157-1986
NIIN: 011571986
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-157-1986, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-157-1986
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Fastener Length	3.000 INCHES NOMINAL IN
Thread Length	3.000 INCHES NOMINAL IN
Criticality Code Justification	ZZZY
Nominal Thread Diameter	1.000 INCHES IN
Head Style	FLAT CHAMFER
Thread Direction	RIGHT-HAND
Locking Feature	PELLET THREADS
Thread Class	2A A
Thread Quantity Per Inch	8
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Reference Number Differentiating Characteristics	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

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

Reference documents

Reference	Meaning
112D941B P2	3/1 Design control — primary reference Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory

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 5305-01-157-1986?

NSN 5305-01-157-1986 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-157-1986?

Key specifications for 5305-01-157-1986: Fastener Length: 3.000 INCHES NOMINAL IN; Thread Length: 3.000 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Nominal Thread Diameter: 1.000 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-157-1986 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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