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HST77-8 — COLLAR,PIN-RIVET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HST77-8: COLLAR,PIN-RIVET.

The COLLAR,PIN-RIVET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, collar_style: THREADED (BREAK OFF) TYPE, thread_class: 3A A, thread_direction: RIGHT-HAND, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5320-01-388-1978, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
HST77-8
NSN: 5320-01-388-1978
FSC: 5320 — Rivets
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
collar_styleTHREADED (BREAK OFF) TYPE
thread_class3A A
thread_directionRIGHT-HAND
surface_treatmentANODIZE OVERALL
nominal_thread_size0.250 INCHES IN
collar_overall_height0.440 INCHES MAXIMUM IN
collar_inside_diameter0.261 INCHES MAXIMUM IN
collar_outside_diameter0.412 INCHES MAXIMUM IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
specification/standard_data73197-HST77-8 MANUFACTURERS STANDARD
NSN5320-01-388-1978
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,PIN-RIVET TITLE COMPONENT PN HST77-8 MFR COLLAR,PIN-RIVET
KEY FEATURES
•
COLLAR INSIDE DIAMETER: 0.261 INCHES MAXIMUM IN
•
COLLAR OVERALL HEIGHT: 0.440 INCHES MAXIMUM IN
•
COLLAR STYLE: THREADED (BREAK OFF) TYPE
•
COLLAR OUTSIDE DIAMETER: 0.412 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
SPECIFICATION/STANDARD DATA: 73197-HST77-8 MANUFACTURERS STANDARD
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
COLLAR INSIDE DIAMETER0.261 INCHES MAXIMUM IN
COLLAR OVERALL HEIGHT0.440 INCHES MAXIMUM IN
COLLAR STYLETHREADED (BREAK OFF) TYPE
COLLAR OUTSIDE DIAMETER0.412 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIFICATION/STANDARD DATA73197-HST77-8 MANUFACTURERS STANDARD
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3A A
THREAD QUANTITY PER INCH24
OTHER ITEMS IN FSC 5320 — Rivets
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5320-00-001-1756 5320-00-001-2042 5320-00-001-3944 5320-00-001-5126 5320-00-001-5151 5320-00-001-5152 5320-00-001-5153
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HST77-8?
HST77-8 is a COLLAR,PIN-RIVET.
What is the NSN for HST77-8?
HST77-8 is cataloged in the U.S. Government catalog under NSN 5320-01-388-1978. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.