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Technical Data Sheet
PartsTable / COMPONENT / MAS11931
MAS11931 ✓ 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 BOLT,U is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - UNIQUE NSN - USED ON 6 MRAP VARIANTS, part_name_assigned_by_controlling_agency: U-BOLT, SUSP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-541-3357, 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
MAS11931
NSN: 5306-01-541-3357
FSC: 5306
CAGE: U7887 — NP AEROSPACE LIMITED (GBR)
SPECIFICATIONS
end_item_identificationMRAP - UNIQUE NSN - USED ON 6 MRAP VARIANTS
part_name_assigned_by_controlling_agencyU-BOLT, SUSP
NSN5306-01-541-3357
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MAS11931 · 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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYU-BOLT, SUSP
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - USED ON 6 MRAP VARIANTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
100-1058Interchangeable
interchangeable cross-reference
interchangeable
3443Interchangeable
interchangeable cross-reference
interchangeable
684-473-9001Interchangeable
interchangeable cross-reference
interchangeable
5055-155Interchangeable
interchangeable cross-reference
interchangeable
0127-SS3-017Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MAS11931?
MAS11931 is a BOLT,U.
What parts can replace MAS11931?
There are 5 known substitutes for MAS11931: 100-1058, 3443, 684-473-9001 and 2 more. Substitute compatibility should be verified for your specific system.
Is MAS11931 still available?
MAS11931 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