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Technical Data Sheet
PartsTable / COMPONENT / NAS1222
NAS1222 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 3.750 INCHES NOMINAL IN, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.250 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-174-9475, 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
NAS1222
NSN: 5306-00-174-9475
FSC: 5306
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length3.750 INCHES NOMINAL IN
head_height0.312 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES MAXIMUM IN
fastener_length5.000 INCHES NOMINAL IN
hardness_rating100.0 ROCKWELL B NOMINAL OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentZINC OVERALL
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN5306-00-174-9475
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS1222 · 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
•
SURFACE TREATMENT: ZINC OVERALL
•
GRIP LENGTH: 3.750 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
FEATURES PROVIDED: FINISHED HEAD
•
FASTENER LENGTH: 5.000 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 2A A
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC OVERALL
GRIP LENGTH3.750 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
FEATURES PROVIDEDFINISHED HEAD
FASTENER LENGTH5.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2A A
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
102484Upgraded Successor
successor cross-reference
successor
FFB575Upgraded Successor
successor cross-reference
successor
MS35354-201Upgraded Successor
successor cross-reference
successor
102495Upgraded Successor
successor cross-reference
successor
109177Upgraded Successor
successor cross-reference
successor
131286Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1222?
NAS1222 is a BOLT,MACHINE.
What parts can replace NAS1222?
There are 16 known substitutes for NAS1222: 102484, FFB575, MS35354-201 and 13 more. Substitute compatibility should be verified for your specific system.
Is NAS1222 still available?
NAS1222 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