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91757-991 — SIDE RACK,VEHICLE BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91757-991: SIDE RACK,VEHICLE BODY.

The SIDE RACK,VEHICLE BODY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, head_height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.609 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN, fastener_length: 1.812 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-881-5223, 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
91757-991
NSN: 5305-00-881-5223
NIINs: 008815223, 013079390
FSC: 5305 — Screws
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
head_height0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_class3A A
thread_length0.609 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
fastener_length1.812 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedO RING
surface_treatmentPASSIVATE OVERALL
width_between_flats0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
NSN5305-00-881-5223
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91757-991 · 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 HEIGHT: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.812 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.609 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: O RING
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
FASTENER LENGTH1.812 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN
THREAD LENGTH0.609 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDO RING
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 1
SB6C16AASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 91757-991?
91757-991 is a SIDE RACK,VEHICLE BODY.
What parts can replace 91757-991?
There is 1 known substitute for 91757-991: SB6C16AA. Substitute compatibility should be verified for your specific system.
What is the NSN for 91757-991?
91757-991 is cataloged in the U.S. Government catalog under NSN 5305-00-881-5223. This indicates validated use in U.S. government and defense supply chains.
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