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20000078 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20000078: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.400 INCHES NOMINAL IN, head_diameter: 0.950 INCHES NOMINAL IN, thread_length: 0.600 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-969-2422, 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
20000078
NSN: 5305-00-969-2422
FSC: 5305 — Screws
CAGE: 79300 — WALTHAM CLOCK CO INC (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.400 INCHES NOMINAL IN
head_diameter0.950 INCHES NOMINAL IN
thread_length0.600 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.600 INCHES IN
screw_surface_treatmentNICKEL
thread_quantity_per_inch169
thread_series_designatorUNM
NSN5305-00-969-2422
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20000078 · 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: 0.400 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: NICKEL
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.600 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.600 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.400 INCHES NOMINAL IN
SCREW SURFACE TREATMENTNICKEL
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH0.600 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.600 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLESLOT
THREAD QUANTITY PER INCH169
SUBSTITUTES & CROSS-REFERENCES 2
78Reference document
Same NSN cross-reference
Reference document — Secondary reference
201088Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20000078?
20000078 is a SCREW,MACHINE.
What parts can replace 20000078?
There are 2 known substitutes for 20000078: 78, 201088. Substitute compatibility should be verified for your specific system.
What is the NSN for 20000078?
20000078 is cataloged in the U.S. Government catalog under NSN 5305-00-969-2422. 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.