Collar, Pin-Rivet5320-01-063-9951

NSN 5320-01-063-9951 · NIIN 010639951 · Part number BB421-8-10

Hi-Shear Corporation · FSC 5320 — Rivets · FSG 53 — Hardware and Abrasives · CAGE 73197

Government record, cited

NSN 5320-01-063-9951 — this item is cataloged by the U.S. Government under National Stock Number 5320-01-063-9951. Manufacturer of record part number: BB421-8-10.

Also searched as 5320-01-063-9951 · 5320010639951 · NIIN 010639951 · 01-063-9951 · FSC 5320 Rivets · CAGE 73197 · BB421-8-10 · GS530AG8-10

Nearby stock numbers ← 5320-01-063-9927 Rivet, Blind · 5320-01-064-2418 Rivet, Blind →

5320-01-063-9951 — Rivets

Features

Collar,pin-Rivet — FSC 5320
Collar Inside Diameter: 0.188 INCHES NOMINAL IN
Collar Overall Height: 0.938 INCHES NOMINAL IN
Collar Style: STRAIGHT TYPE
Collar Outside Diameter: 0.254 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
Material: ALUMINUM OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Hi-Shear Corporation

Identification

NSN: 5320-01-063-9951
NIIN: 010639951
FSC: 5320 — Rivets
FSG: 53 — Hardware and Abrasives
Primary part number: BB421-8-10
Manufacturer: Hi-Shear Corporation

General Description

The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-063-9951, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 5 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	5320-01-063-9951
Primary Part Number	BB421-8-10
Item Name	Collar,pin-Rivet
FSC / FSG	5320 / 53 — Rivets
Manufacturer	Hi-Shear Corporation
Status	ACTIVE
Collar Inside Diameter	0.188 INCHES NOMINAL IN
Collar Overall Height	0.938 INCHES NOMINAL IN
Collar Style	STRAIGHT TYPE
Collar Outside Diameter	0.254 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
Material	ALUMINUM 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
BB421-8-10 PRIMARY	Hi-Shear Corporation (USA)
GS530AG8-10	Northrop Grumman Systems Corporation (USA)

No interchangeability data on file.

Other items in FSC 5320 — Rivets

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5320-00-001-1756

PIN-RIVET

5320-00-001-1756

PIN-RIVET

5320-00-001-2042

5320-00-001-2042 · Item name not on file

5320-00-001-3944

RIVET,SOLID

5320-00-001-5126

5320-00-001-5126 · Item name not on file

5320-00-001-5151

5320-00-001-5151 · Item name not on file

5320-00-001-5152

5320-00-001-5152 · Item name not on file

5320-00-001-5153

5320-00-001-5153 · Item name not on file

Frequently Asked Questions

What is NSN 5320-01-063-9951?

NSN 5320-01-063-9951 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.

What part numbers are listed for NSN 5320-01-063-9951?

NSN 5320-01-063-9951 has 2 manufacturer part numbers on file: BB421-8-10 (Hi-Shear Corporation), GS530AG8-10 (Northrop Grumman Systems Corporation).

What are the specifications of BB421-8-10?

Key specifications for BB421-8-10: Collar Inside Diameter: 0.188 INCHES NOMINAL IN; Collar Overall Height: 0.938 INCHES NOMINAL IN; Collar Style: STRAIGHT TYPE; Collar Outside Diameter: 0.254 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5320-01-063-9951 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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