Nut, Self-Locking, Clinch5310-01-004-5139

NSN 5310-01-004-5139 · NIIN 010045139 · Part number S-0420-3CI

Penn Engineering & Manufacturing Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 46384

Government record, cited

NSN 5310-01-004-5139 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-004-5139. Manufacturer of record part number: S-0420-3CI.

Also searched as 5310-01-004-5139 · 5310010045139 · NIIN 010045139 · 01-004-5139 · FSC 5310 Nuts and Washers · CAGE 46384 · S-0420-3CI · S-0420-3

Nearby stock numbers ← 5310-01-004-5030 Washer, Concave · 5310-01-004-5142 Washer, Spherical →

5310-01-004-5139 — Nuts and Washers

Features

Nut,self-Locking,clinch — FSC 5310
Thread Series: UNF
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.250 INCHES IN
Nut Diameter: 0.440 INCHES NOMINAL IN
Pilot Diameter: 0.343 INCHES NOMINAL IN
Pilot Length: 0.120 INCHES NOMINAL IN
Nut Height: 0.170 INCHES NOMINAL IN

Identification

NSN: 5310-01-004-5139
NIIN: 010045139
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: S-0420-3CI
Manufacturer: Penn Engineering & Manufacturing Corp

General Description

The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-004-5139, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-004-5139
Primary Part Number	S-0420-3CI
Item Name	Nut,self-Locking,clinch
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Penn Engineering & Manufacturing Corp
Status	ACTIVE
Thread Series	UNF
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.250 INCHES IN
Nut Diameter	0.440 INCHES NOMINAL IN
Pilot Diameter	0.343 INCHES NOMINAL IN
Pilot Length	0.120 INCHES NOMINAL IN
Nut Height	0.170 INCHES NOMINAL IN
Drilled Hole Diameter	0.344 INCHES NOMINAL IN
Nut Style	CLINCH
Material	STEEL OVERALL

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
S-0420-3CI PRIMARY	Penn Engineering & Manufacturing Corp (USA)

Reference documents

Reference	Meaning
S-0420-3	5/9 Secondary reference Penn Engineering & Manufacturing Corp

Frequently Asked Questions

What is NSN 5310-01-004-5139?

NSN 5310-01-004-5139 is a Nut,self-Locking,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-004-5139?

NSN 5310-01-004-5139 has 1 manufacturer part number on file: S-0420-3CI (Penn Engineering & Manufacturing Corp).

What are the specifications of S-0420-3CI?

Key specifications for S-0420-3CI: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Nut Diameter: 0.440 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-004-5139 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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