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PartsTable / COMPONENT / 91248A542
91248A542 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 1.000 INCHES NOMINAL IN, special_features: GRADE 5 FULLY THREADED MEDIUM-STRENGTH HEX HEAD, end_item_identification: FIXED WING AIRCRAFT, C130J HERCULES, LOCKHEED MARTIN CORP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-476-8125, 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
91248A542
NSN: 5305-01-476-8125
FSC: 5305
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_length1.000 INCHES NOMINAL IN
fastener_length1.000 INCHES NOMINAL IN
special_featuresGRADE 5 FULLY THREADED MEDIUM-STRENGTH HEX HEAD
end_item_identificationFIXED WING AIRCRAFT, C130J HERCULES, LOCKHEED MARTIN CORP
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5305-01-476-8125
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91248A542 · 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
•
THREAD QUANTITY PER INCH: 28
•
MATERIAL: STEEL OVERALL
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESGRADE 5 FULLY THREADED MEDIUM-STRENGTH HEX HEAD
THREAD QUANTITY PER INCH28
MATERIALSTEEL OVERALL
FASTENER LENGTH1.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
END ITEM IDENTIFICATIONFIXED WING AIRCRAFT, C130J HERCULES, LOCKHEED MARTIN CORP
HEAD STYLEHEXAGON
THREAD LENGTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
00044Interchangeable
interchangeable cross-reference
interchangeable
18755Interchangeable
interchangeable cross-reference
interchangeable
287128M1Interchangeable
interchangeable cross-reference
interchangeable
14013038Interchangeable
interchangeable cross-reference
interchangeable
306320Interchangeable
interchangeable cross-reference
interchangeable
860-P320-100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91248A542?
91248A542 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 91248A542?
There are 6 known substitutes for 91248A542: 00044, 18755, 287128M1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91248A542?
91248A542 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-476-8125. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026