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Technical Data Sheet
PartsTable / COMPONENT / 401-01241-12
401-01241-12 ✓ 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, head_height: 0.181 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.650 INCHES MINIMUM IN, fastener_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-885-9796, 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
401-01241-12
NSN: 5305-00-885-9796
FSC: 5305
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.181 INCHES NOMINAL IN
thread_class2A A
thread_length0.650 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
hardness_rating80.0 ROCKWELL B MINIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OR ZINC OVERALL
width_between_flats0.371 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength175000 POUNDS PER SQUARE INCH LBS
NSN5305-00-885-9796
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 401-01241-12 · 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
•
HEAD STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-1222 GR 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.650 INCHES MINIMUM IN
•
MINIMUM TENSILE STRENGTH: 175000 POUNDS PER SQUARE INCH LBS
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH20
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222 GR 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.650 INCHES MINIMUM IN
MINIMUM TENSILE STRENGTH175000 POUNDS PER SQUARE INCH LBS
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
GM121887Interchangeable
interchangeable cross-reference
interchangeable
400684Interchangeable
interchangeable cross-reference
interchangeable
1000-812Interchangeable
interchangeable cross-reference
interchangeable
1/4-20X3/4Interchangeable
interchangeable cross-reference
interchangeable
DNXE62FF-RP6-000 ITEM 29Interchangeable
interchangeable cross-reference
interchangeable
HB1-1/4-20X12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401-01241-12?
401-01241-12 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 401-01241-12?
There are 9 known substitutes for 401-01241-12: GM121887, 400684, 1000-812 and 6 more. Substitute compatibility should be verified for your specific system.
Is 401-01241-12 still available?
401-01241-12 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