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1217B4203-313 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1217B4203-313: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, head_height: 0.350 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM IN, fastener_length: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-396-3152, 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
1217B4203-313
NSN: 5305-01-396-3152
FSC: 5305 — Screws
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
head_height0.350 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN
thread_class2A A
thread_length0.750 INCHES MINIMUM IN
fastener_length1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
locking_featurePATCH LOCKING FEATURE
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength2540 POUNDS PER SQUARE INCH LBS
NSN5305-01-396-3152
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1217B4203-313 · 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: 0.350 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.750 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: 96906-MS35307-313 GOVERNMENT STANDARD
•
WIDTH BETWEEN FLATS: 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.350 INCHES MINIMUM AND 0.363 INCHES MAXIMUM IN
FASTENER LENGTH1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
THREAD LENGTH0.750 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA96906-MS35307-313 GOVERNMENT STANDARD
WIDTH BETWEEN FLATS0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
LOCKING FEATUREPATCH LOCKING FEATURE
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1217B4203-313?
1217B4203-313 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 1217B4203-313?
1217B4203-313 is cataloged in the U.S. Government catalog under NSN 5305-01-396-3152. This indicates validated use in U.S. government and defense supply chains.
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