NSN 5320-01-554-9771 — this item is cataloged by the U.S. Government under National Stock Number 5320-01-554-9771. Manufacturer of record part number: HSTM77-04.
Also searched as5320-01-554-9771 ·
5320015549771 ·
NIIN 015549771 ·
01-554-9771 ·
FSC 5320 Rivets · CAGE 73197 · HSTM77-04
Collar Inside Diameter: 4.620 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN
Collar Style: THREADED (BREAK OFF) TYPE
Collar Outside Diameter: 7.240 INCHES MINIMUM AND 7.403 INCHES MAXIMUM IN
Surface Treatment: ANODIZE OVERALL
Material: ALUMINUM ALLOY OVERALL
2 manufacturer part numbers on file
Identification
NSN: 5320-01-554-9771
NIIN: 015549771
FSC: 5320 — Rivets
FSG: 53 — Hardware and Abrasives
Primary part number: HSTM77-04
Manufacturer: Hi-Shear Corporation
General Description
The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-554-9771, 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 6 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.
Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN)
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.
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5320-00-001-5126 · Item name not on file
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5320-00-001-5151 · Item name not on file
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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 5320-01-554-9771?
NSN 5320-01-554-9771 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
What part numbers are listed for NSN 5320-01-554-9771?
NSN 5320-01-554-9771 has 2 manufacturer part numbers on file: HSTM77-04 (Hi-Shear Corporation), HSTM77-04 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
What are the specifications of HSTM77-04?
Key specifications for HSTM77-04: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Collar Inside Diameter: 4.620 INCHES MINIMUM AND 6.780 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE; Collar Outside Diameter: 7.240 INCHES MINIMUM AND 7.403 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5320-01-554-9771 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.