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T-1347-19A — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

T-1347-19A: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.260 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.634 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN, fastener_length: 1.302 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-378-7742, 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
T-1347-19A
NSN: 5306-01-378-7742
FSC: 5306 — Bolts
CAGE: 03038 — LONG-LOK, LLC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.260 INCHES NOMINAL IN
thread_class3A A
thread_length0.634 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN
fastener_length1.302 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
special_featuresDRILLED AREA FOR DYNATHRED LOCKING FEATURE IN THREADED END OF SHANK
thread_directionRIGHT-HAND
surface_treatmentSILVER OVERALL
width_between_flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
end_item_identificationPACER DAWN
nominal_thread_diameter0.190 INCHES IN
NSN5306-01-378-7742
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: T-1347-19A · 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
•
EXTENDED WASHER THICKNESS: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.260 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.302 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2410E ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.634 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
HEAD HEIGHT0.260 INCHES NOMINAL IN
FASTENER LENGTH1.302 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2410E ASSN STD SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.375 INCHES NOMINAL IN
THREAD LENGTH0.634 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
145-531-9517Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T-1347-19A?
T-1347-19A is a BOLT,MACHINE.
What parts can replace T-1347-19A?
There is 1 known substitute for T-1347-19A: 145-531-9517. Substitute compatibility should be verified for your specific system.
What is the NSN for T-1347-19A?
T-1347-19A is cataloged in the U.S. Government catalog under NSN 5306-01-378-7742. 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.