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MA12741-B — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MA12741-B: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.5000 INCHES NOMINAL IN, diameter: 2.500 INCHES NOMINAL IN, material: STEEL OVERALL, style_designator: STRAIGHT, pin_head_diameter: 0.3100 INCHES NOMINAL IN, under_head_length: 15.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-396-9657, 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
MA12741-B
NSN: 5315-01-396-9657
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 38490 — LIFTKING MANUFACTURING CORP (CAN)
SPECIFICATIONS
height0.5000 INCHES NOMINAL IN
diameter2.500 INCHES NOMINAL IN
materialSTEEL OVERALL
style_designatorSTRAIGHT
pin_head_diameter0.3100 INCHES NOMINAL IN
under_head_length15.380 INCHES NOMINAL IN
material_document_and_classificationASTMA36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
welding_projection_location_and_quantity1 HEAD TOP
NSN5315-01-396-9657
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MA12741-B · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
UNDER HEAD LENGTH: 15.380 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.3100 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 2.500 INCHES NOMINAL IN
•
WELDING PROJECTION LOCATION AND QUANTITY: 1 HEAD TOP
•
HEIGHT: 0.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH15.380 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.3100 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER2.500 INCHES NOMINAL IN
WELDING PROJECTION LOCATION AND QUANTITY1 HEAD TOP
HEIGHT0.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
211046282Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MA12741-B?
MA12741-B is a PIN,STRAIGHT,HEADED.
What parts can replace MA12741-B?
There is 1 known substitute for MA12741-B: 211046282. Substitute compatibility should be verified for your specific system.
What is the NSN for MA12741-B?
MA12741-B is cataloged in the U.S. Government catalog under NSN 5315-01-396-9657. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.