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05328-20253 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

05328-20253: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include head_style: KNURLED NO. 1, head_height: 0.750 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 1.000 INCHES NOMINAL IN, thread_length: 0.438 INCHES NOMINAL IN, fastener_length: 0.500 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-061-9679, 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
05328-20253
NSN: 5305-01-061-9679
FSC: 5305 — Screws
CAGE: 7ZXR5 — KEYSIGHT TECHNOLOGIES INC (USA)
SPECIFICATIONS
head_styleKNURLED NO. 1
head_height0.750 INCHES NOMINAL IN
thread_class2A A
head_diameter1.000 INCHES NOMINAL IN
thread_length0.438 INCHES NOMINAL IN
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5305-01-061-9679
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 05328-20253 · 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: 0.750 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.438 INCHES NOMINAL IN
•
HEAD STYLE: KNURLED NO. 1
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
HEAD DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.750 INCHES NOMINAL IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.438 INCHES NOMINAL IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
HEAD DIAMETER1.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 05328-20253?
05328-20253 is a THUMBSCREW.
What is the NSN for 05328-20253?
05328-20253 is cataloged in the U.S. Government catalog under NSN 5305-01-061-9679. 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.