257H29976-15 — STIFFENER,HEATSHIELD,NONAIRCRAFT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

257H29976-15: STIFFENER,HEATSHIELD,NONAIRCRAFT.

STIFFENER,HEATSHIELD,NONAIRCRAFT. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, head_height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2835-01-324-4959, 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

257H29976-15

NSN: 2835-01-324-4959
NIINs: 013244959, 013244961
FSC: 2835 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components
CAGE: SW416 — TIGHITCO LATINOAMERICA S.A.DE C.V. DIV TIGHITCO LATINOAMERICA (MEX)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	DOUBLE HEXAGON W/HOLE
grip_length	0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
head_height	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
width_between_flats	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
nominal_thread_diameter	0.312 INCHES IN
NSN	2835-01-324-4959

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 1

5750011FReference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 257H29976-15?

257H29976-15 is a STIFFENER,HEATSHIELD,NONAIRCRAFT.

What parts can replace 257H29976-15?

There is 1 known substitute for 257H29976-15: 5750011F. Substitute compatibility should be verified for your specific system.

What is the NSN for 257H29976-15?

257H29976-15 is cataloged in the U.S. Government catalog under NSN 2835-01-324-4959. This indicates validated use in U.S. government and defense supply chains.

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257H29976-15 — STIFFENER,HEATSHIELD,NONAIRCRAFT

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