4448S10-21PR — PIN-RIVET

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4448S10-21PR: PIN-RIVET.

The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 1.312 INCHES NOMINAL IN, lubrication: DRY FILM AND CETYL ALCOHOL, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5320-01-676-2172, 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

4448S10-21PR

NSN: 5320-01-676-2172
FSC: 5320 — Rivets
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)

SPECIFICATIONS

material	STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
head_style	FLUSH COUNTERSUNK
grip_length	1.312 INCHES NOMINAL IN
lubrication	DRY FILM AND CETYL ALCOHOL
shank_style	PIN-RIVET, STRAIGHT, THREADED
thread_class	3A A
shank_diameter	0.3270 INCHES MINIMUM AND 0.3286 INCHES MAXIMUM IN
fastener_length	1.858 INCHES NOMINAL IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	CADMIUM AND CHROMATE OVERALL
head_major_diameter	0.507 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
NSN	5320-01-676-2172

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.3270 INCHES MINIMUM AND 0.3286 INCHES MAXIMUM IN

•

LUBRICATION: DRY FILM AND CETYL ALCOHOL

•

FASTENER LENGTH: 1.858 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OVERALL

•

HEAD STYLE: FLUSH COUNTERSUNK

•

NOMINAL THREAD SIZE: 0.3125 INCHES IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.3270 INCHES MINIMUM AND 0.3286 INCHES MAXIMUM IN
LUBRICATION	DRY FILM AND CETYL ALCOHOL
FASTENER LENGTH	1.858 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
HEAD STYLE	FLUSH COUNTERSUNK
NOMINAL THREAD SIZE	0.3125 INCHES IN
GRIP LENGTH	1.312 INCHES NOMINAL IN
WIDTH BETWEEN FLATS	0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN

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

C9570-10-21PXReference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 4448S10-21PR?

4448S10-21PR is a PIN-RIVET.

What parts can replace 4448S10-21PR?

There is 1 known substitute for 4448S10-21PR: C9570-10-21PX. Substitute compatibility should be verified for your specific system.

What is the NSN for 4448S10-21PR?

4448S10-21PR is cataloged in the U.S. Government catalog under NSN 5320-01-676-2172. This indicates validated use in U.S. government and defense supply chains.

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