PartsTable
Technical Data Sheet
Download PDF

PBF1378-0002 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PBF1378-0002: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.194 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, thread_length: 0.208 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN, screw_material: STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150, fastener_length: 0.343 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-211-0657, 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
PBF1378-0002
NSN: 5305-01-211-0657
FSC: 5305 — Screws
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.194 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
thread_length0.208 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
screw_materialSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
fastener_length0.343 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleTORQUE SET
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-01-211-0657
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PBF1378-0002 · 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: CADMIUM AND CHROMATE
•
FASTENER LENGTH: 0.343 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.208 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
FASTENER LENGTH0.343 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
THREAD LENGTH0.208 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLETORQUE SET
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 7
HR132-04T02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LE111-0032-0002Reference document
Same NSN cross-reference
Reference document — Secondary reference
S11-1087-0002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
123181A04T02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SC1785T-04-02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A032-0002Same 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
Ready to buy PBF1378-0002?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is PBF1378-0002?
PBF1378-0002 is a SCREW,MACHINE.
What parts can replace PBF1378-0002?
There are 7 known substitutes for PBF1378-0002: HR132-04T02, LE111-0032-0002, S11-1087-0002 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PBF1378-0002?
PBF1378-0002 is cataloged in the U.S. Government catalog under NSN 5305-01-211-0657. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — PBF1378-0002

✓ 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.