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TD137559-1 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TD137559-1: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: WATERTIGHT, head_height: 0.253 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.424 INCHES NOMINAL IN, thread_length: 1.000 INCHES NOMINAL IN, screw_material: STEEL COMP 1008. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-682-5174, 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
TD137559-1
NSN: 5305-00-682-5174
FSC: 5305 — Screws
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
head_styleWATERTIGHT
head_height0.253 INCHES NOMINAL IN
thread_class2A A
head_diameter0.424 INCHES NOMINAL IN
thread_length1.000 INCHES NOMINAL IN
screw_materialSTEEL COMP 1008
fastener_length6.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.312 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch24
NSN5305-00-682-5174
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TD137559-1 · 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: 0.253 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 6.125 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: FED-66,AISI FED STD ALL MATERIAL RESPONSES
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: WATERTIGHT
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.253 INCHES NOMINAL IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH6.125 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONFED-66,AISI FED STD ALL MATERIAL RESPONSES
THREAD LENGTH1.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEWATERTIGHT
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 1008
INTERNAL DRIVE STYLESLOT
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 3
5305006825174Reference document
Same NSN cross-reference
Reference document — Informative reference only
25704-281250-13-0Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SMA700234A1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TD137559-1?
TD137559-1 is a SCREW,MACHINE.
What parts can replace TD137559-1?
There are 3 known substitutes for TD137559-1: 5305006825174, 25704-281250-13-0, SMA700234A1. Substitute compatibility should be verified for your specific system.
What is the NSN for TD137559-1?
TD137559-1 is cataloged in the U.S. Government catalog under NSN 5305-00-682-5174. 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.