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Technical Data Sheet
PartsTable / COMPONENT / 1779L38
1779L38 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,BRAKE ADJUSTING is a the manufacturer industrial component. Key specifications include end_item_identification: GRUMMAN A-10 AIRCRAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-772-6334, 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
1779L38
NSN: 5305-00-772-6334
FSC: 5305
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
end_item_identificationGRUMMAN A-10 AIRCRAFT
general_characteristics_item_descriptionSTEEL,CASE HARDENED,0.875 IN. LG,0.438 IN. BORE DIA,STRAIGH EXTERNAL THREAD 0.750-16,UNF,RH,CL 2A,0.625 IN. THD LG,1.062 IN. CLOTTED HEAD DIA,10 SLOTS 0.125 IN. WIDE,0.125 IN. DEEP,0.125 IN. LG A
NSN5305-00-772-6334
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1779L38 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,CASE HARDENED,0.875 IN. LG,0.438 IN. BORE DIA,STRAIGH EXTERNAL THREAD 0.750-16,UNF,RH,CL 2A,0.625 IN. THD LG,1.062 IN. CLOTTED HEAD DIA,10 SLOTS 0.125 IN. WIDE,0.125 IN. DEEP,0.125 IN. LG A
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONGRUMMAN A-10 AIRCRAFT
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,CASE HARDENED,0.875 IN. LG,0.438 IN. BORE DIA,STRAIGH EXTERNAL THREAD 0.750-16,UNF,RH,CL 2A,0.625 IN. THD LG,1.062 IN. CLOTTED HEAD DIA,10 SLOTS 0.125 IN. WIDE,0.125 IN. DEEP,0.125 IN. LG A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
32997Interchangeable
interchangeable cross-reference
interchangeable
2073651-0704Interchangeable
interchangeable cross-reference
interchangeable
3280WC32-501Interchangeable
interchangeable cross-reference
interchangeable
99132997Interchangeable
interchangeable cross-reference
interchangeable
A-2589 PIECE 196Interchangeable
interchangeable cross-reference
interchangeable
1014Z2061Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1779L38?
1779L38 is a SCREW,BRAKE ADJUSTING.
What parts can replace 1779L38?
There are 12 known substitutes for 1779L38: 32997, 2073651-0704, 3280WC32-501 and 9 more. Substitute compatibility should be verified for your specific system.
Is 1779L38 still available?
1779L38 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026