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29 64 617 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

29 64 617: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include special_features: 1.733 IN. LG; 1.200 IN.

DIA; FOR USE ON X-RAY APPARATUS,PORTABLE MODEL HELIODENT 70,WITH D31.52 IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S. Government catalog under NSN 5305-01-246-0089, 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
29 64 617
NSN: 5305-01-246-0089
FSC: 5305 — Screws
CAGE: 25088 — SIEMENS CORP (USA)
SPECIFICATIONS
special_features1.733 IN. LG; 1.200 IN. DIA; FOR USE ON X-RAY APPARATUS,PORTABLE MODEL HELIODENT 70,WITH D31.52 IN
thread_directionRIGHT-HAND
NSN5305-01-246-0089
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 29 64 617 · 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
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURES1.733 IN. LG; 1.200 IN. DIA; FOR USE ON X-RAY APPARATUS,PORTABLE MODEL HELIODENT 70,WITH D31.52 IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 29 64 617?
29 64 617 is a THUMBSCREW.
What is the NSN for 29 64 617?
29 64 617 is cataloged in the U.S. Government catalog under NSN 5305-01-246-0089. 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.