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135003PC608 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

135003PC608: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 1.140 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-364-8993, 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
135003PC608
NSN: 5305-01-364-8993
FSC: 5305 — Screws
CAGE: 94271 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length1.140 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length1.250 INCHES NOMINAL IN
locking_featureSTRIP
special_featuresLOCKING INSERT 0.438 IN. LONG; LOCKING INSERT MATL.-BLUE KEL-F,CAGE 03038 IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.250 INCHES IN
NSN5305-01-364-8993
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 135003PC608 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.140 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: STRIP
•
SCREW MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH1.250 INCHES NOMINAL IN
THREAD LENGTH1.140 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATURESTRIP
SCREW MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESLOCKING INSERT 0.438 IN. LONG; LOCKING INSERT MATL.-BLUE KEL-F,CAGE 03038 IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 2
115387-24693-C100Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
107256-1181Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 135003PC608?
135003PC608 is a SCREW,MACHINE.
What parts can replace 135003PC608?
There are 2 known substitutes for 135003PC608: 115387-24693-C100, 107256-1181. Substitute compatibility should be verified for your specific system.
What is the NSN for 135003PC608?
135003PC608 is cataloged in the U.S. Government catalog under NSN 5305-01-364-8993. 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.