TR28009-18 — STUD,LOCKED IN

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

TR28009-18: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY AND STEEL, thread_class: 3A STUD THREAD A, thread_length: 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM NUT THREAD IN, overall_length: 1.375 INCHES NOMINAL IN, locking_feature: KEY INSERTS, shoulder_length: 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-309-8824, 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

TR28009-18

NSN: 5307-01-309-8824
FSC: 5307 — Studs
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)

SPECIFICATIONS

material	NICKEL ALLOY AND STEEL
thread_class	3A STUD THREAD A
thread_length	1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM NUT THREAD IN
overall_length	1.375 INCHES NOMINAL IN
locking_feature	KEY INSERTS
shoulder_length	0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
special_features	KEY HEAT TREATED TO RC 48 MIN.
style_designator	LOCKED IN
thread_direction	RIGHT-HAND STUD THREAD
shoulder_diameter	0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
nominal_thread_size	0.190 INCHES NUT THREAD IN
end_item_identification	F100PW0229 ENGINE/FAN
NSN	5307-01-309-8824

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM NUT THREAD IN

•

STYLE DESIGNATOR: LOCKED IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5698 ASSN STD SINGLE MATERIAL RESPONSE AND AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND STUD THREAD

•

NOMINAL THREAD SIZE: 0.250 INCHES STUD THREAD IN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATOR	LOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5698 ASSN STD SINGLE MATERIAL RESPONSE AND AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	1.375 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND STUD THREAD
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.250 INCHES STUD THREAD IN
NOMINAL THREAD SIZE	0.190 INCHES NUT THREAD IN
SHOULDER DIAMETER	0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
LOCKING FEATURE	KEY INSERTS

SUBSTITUTES & CROSS-REFERENCES 4

5307PL1870521Reference document

Same NSN cross-reference

Reference document — Informative reference only

5307PL0896737Reference document

Same NSN cross-reference

Reference document — Informative reference only

ST2665Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

ST2665-18Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is TR28009-18?

TR28009-18 is a STUD,LOCKED IN.

What parts can replace TR28009-18?

There are 4 known substitutes for TR28009-18: 5307PL1870521, 5307PL0896737, ST2665 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for TR28009-18?

TR28009-18 is cataloged in the U.S. Government catalog under NSN 5307-01-309-8824. This indicates validated use in U.S. government and defense supply chains.

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