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PF3 1-2-44 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PF3 1-2-44: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, material: STEEL COMP 1118 OVERALL, drive_type: CROSS RECESS, grip_length: 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, turnlock_stud_head_style: FILLISTER. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-641-2987, 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
PF3 1-2-44
NSN: 5325-00-641-2987
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
materialSTEEL COMP 1118 OVERALL
drive_typeCROSS RECESS
grip_length0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.213 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.431 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-00-641-2987
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PF3 1-2-44 · 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 DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DRIVE TYPE: CROSS RECESS
•
MATERIAL ACCOMMODATED THICKNESS: 0.431 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.213 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPECROSS RECESS
MATERIAL ACCOMMODATED THICKNESS0.431 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER
STUD SHANK MAJOR DIAMETER0.213 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 1118 OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
PF3 1-2-44X545-1BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
431565Reference document
Same NSN cross-reference
Reference document — Secondary reference
374676-17Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7137102-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PF3 1-2-44X545Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1930-2-4518-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PF3 1-2-44?
PF3 1-2-44 is a STUD,TURNLOCK FASTENER.
What parts can replace PF3 1-2-44?
There are 7 known substitutes for PF3 1-2-44: PF3 1-2-44X545-1B, 431565, 374676-17 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PF3 1-2-44?
PF3 1-2-44 is cataloged in the U.S. Government catalog under NSN 5325-00-641-2987. 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.