7540055 — STUD,PLAIN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

7540055: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740, thread_class: 3A NUT THREAD A, thread_length: 0.590 INCHES MINIMUM STUD THREAD IN, overall_length: 1.300 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, special_features: 0.2889 IN. MIN FIRST THREAD AND 0.2909 IN.

MAX PITCH DIAMETER FIRST TWOTHREADS ON NUT END IN. This part is cataloged in the U.S. Government catalog under NSN 5307-00-830-6678, 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

7540055

NSN: 5307-00-830-6678
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 8740
thread_class	3A NUT THREAD A
thread_length	0.590 INCHES MINIMUM STUD THREAD IN
overall_length	1.300 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
special_features	0.2889 IN. MIN FIRST THREAD AND 0.2909 IN. MAX PITCH DIAMETER FIRST TWOTHREADS ON NUT END IN
thread_direction	RIGHT-HAND STUD THREAD
nominal_thread_size	0.312 INCHES STUD THREAD IN
thread_pitch_diameters	+0.2944 TO 0.2959 INCHES STUD THREAD IN
thread_quantity_per_inch	18 STUD THREAD
thread_series_designator	UNF NUT THREAD
material_document_and_classification	ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE
NSN	5307-00-830-6678

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.590 INCHES MINIMUM STUD THREAD IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

THREAD PITCH DIAMETERS: +0.2944 TO 0.2959 INCHES STUD THREAD IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.590 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH	0.470 INCHES MINIMUM NUT THREAD IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS	+0.2944 TO 0.2959 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	1.300 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.312 INCHES NUT THREAD IN
NOMINAL THREAD SIZE	0.312 INCHES STUD THREAD IN

OTHER ITEMS IN FSC 5307 — Studs

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

5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625

SUBSTITUTES & CROSS-REFERENCES 2

203477JReference document

Same NSN cross-reference

Reference document — Secondary reference

203477J8Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7540055?

7540055 is a STUD,PLAIN.

What parts can replace 7540055?

There are 2 known substitutes for 7540055: 203477J, 203477J8. Substitute compatibility should be verified for your specific system.

What is the NSN for 7540055?

7540055 is cataloged in the U.S. Government catalog under NSN 5307-00-830-6678. This indicates validated use in U.S. government and defense supply chains.

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