HT8138-3-3T — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT8138-3-3T: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include grip_length: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, head_diameter: 0.350 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN, thread_length: 0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL, shank_unthreaded_hole_diameter: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-170-2952, 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

HT8138-3-3T

NSN: 5305-00-170-2952
FSC: 5305 — Screws
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)

SPECIFICATIONS

grip_length	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
head_diameter	0.350 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
thread_length	0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
shank_unthreaded_hole_diameter	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
part_name_assigned_by_controlling_agency	NAVY SPECIAL PROJECT
NSN	5305-00-170-2952

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL

•

SHANK UNTHREADED HOLE DIAMETER: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN

•

GRIP LENGTH: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN

•

HEAD DIAMETER: 0.350 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
GRIP LENGTH	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
HEAD DIAMETER	0.350 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 1

GB510AE3-3TSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 HT8138-3-3T?

HT8138-3-3T is a SCREW,CLOSE TOLERANCE.

What parts can replace HT8138-3-3T?

There is 1 known substitute for HT8138-3-3T: GB510AE3-3T. Substitute compatibility should be verified for your specific system.

What is the NSN for HT8138-3-3T?

HT8138-3-3T is cataloged in the U.S. Government catalog under NSN 5305-00-170-2952. This indicates validated use in U.S. government and defense supply chains.

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