HL278DU8 — COLLAR,PIN-RIVET

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

HL278DU8: COLLAR,PIN-RIVET.

The COLLAR,PIN-RIVET is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, lubrication: SOLID FILM, collar_style: THREADED (BREAK OFF) TYPE, thread_class: 3B, special_features: SOLID FILM LUBE PER AMS5272, TYPE I, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5320-01-689-8952, 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

HL278DU8

NSN: 5320-01-689-8952
FSC: 5320 — Rivets
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
lubrication	SOLID FILM
collar_style	THREADED (BREAK OFF) TYPE
thread_class	3B
special_features	SOLID FILM LUBE PER AMS5272, TYPE I
nominal_thread_size	0.250 INCHES IN
collar_overall_height	0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN
collar_inside_diameter	0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
collar_outside_diameter	0.406 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
end_item_identification	01-669-5071
thread_quantity_per_inch	28
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF)
NSN	5320-01-689-8952

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: SOLID FILM

•

COLLAR INSIDE DIAMETER: 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN

•

COLLAR OVERALL HEIGHT: 0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN

•

COLLAR STYLE: THREADED (BREAK OFF) TYPE

•

COLLAR OUTSIDE DIAMETER: 0.406 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5736 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

LUBRICATION	SOLID FILM
COLLAR INSIDE DIAMETER	0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
COLLAR OVERALL HEIGHT	0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN
COLLAR STYLE	THREADED (BREAK OFF) TYPE
COLLAR OUTSIDE DIAMETER	0.406 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5736 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE	0.250 INCHES IN
SPECIAL FEATURES	SOLID FILM LUBE PER AMS5272, TYPE I
THREAD CLASS	3B
END ITEM IDENTIFICATION	01-669-5071

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 1

HL278Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HL278DU8?

HL278DU8 is a COLLAR,PIN-RIVET.

What parts can replace HL278DU8?

There is 1 known substitute for HL278DU8: HL278. Substitute compatibility should be verified for your specific system.

What is the NSN for HL278DU8?

HL278DU8 is cataloged in the U.S. Government catalog under NSN 5320-01-689-8952. This indicates validated use in U.S. government and defense supply chains.

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HL278DU8 — COLLAR,PIN-RIVET

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