Screw, Cap, Hexagon Head5305-01-520-4870

NSN 5305-01-520-4870 · NIIN 015204870 · Part number K-8-3-4

Bird-Johnson Propeller Company, Llc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 07309

Government record, cited

NSN 5305-01-520-4870 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-520-4870. Manufacturer of record part number: K-8-3-4.

Also searched as 5305-01-520-4870 · 5305015204870 · NIIN 015204870 · 01-520-4870 · FSC 5305 Screws · CAGE 07309 · K-8-3-4 · 117152080 FIND NO 23

Nearby stock numbers ← 5305-01-520-4788 Screw, Cap, Socket Head · 5305-01-520-4983 Screw, Assembled Washer →

5305-01-520-4870 — Screws

Features

Screw,cap,hexagon Head — FSC 5305
Fastener Length: 2.750 INCHES NOMINAL IN
Thread Length: 2.750 INCHES NOMINAL IN
Nominal Thread Diameter: 0.625 INCHES IN
Thread Direction: RIGHT-HAND
Thread Class: 2A A
Thread Quantity Per Inch: 11
Material: NICKEL ALLOY OVERALL

Identification

NSN: 5305-01-520-4870
NIIN: 015204870
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: K-8-3-4
Manufacturer: Bird-Johnson Propeller Company, Llc

General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-520-4870, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. Government technical data includes 8 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	5305-01-520-4870
Primary Part Number	K-8-3-4
Item Name	Screw,cap,hexagon Head
FSC / FSG	5305 / 53 — Screws
Manufacturer	Bird-Johnson Propeller Company, Llc
Status	ACTIVE
Fastener Length	2.750 INCHES NOMINAL IN
Thread Length	2.750 INCHES NOMINAL IN
Nominal Thread Diameter	0.625 INCHES IN
Thread Direction	RIGHT-HAND
Thread Class	2A A
Thread Quantity Per Inch	11
Material	NICKEL ALLOY OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)

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
K-8-3-4 PRIMARY	Bird-Johnson Propeller Company, Llc (USA)
117152080 FIND NO 23	Bird-Johnson Propeller Company, Llc (USA)

Frequently Asked Questions

What is NSN 5305-01-520-4870?

NSN 5305-01-520-4870 is a Screw,cap,hexagon Head, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-520-4870?

NSN 5305-01-520-4870 has 2 manufacturer part numbers on file: K-8-3-4 (Bird-Johnson Propeller Company, Llc), 117152080 FIND NO 23 (Bird-Johnson Propeller Company, Llc).

What are the specifications of K-8-3-4?

Key specifications for K-8-3-4: Fastener Length: 2.750 INCHES NOMINAL IN; Thread Length: 2.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Thread Direction: RIGHT-HAND. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-520-4870 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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