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PO-26-3 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PO-26-3: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 1, head_height: 0.188 INCHES NOMINAL IN, point_style: POINTLESS, thread_class: 2A A, head_diameter: 0.750 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-210-7411, 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
PO-26-3
NSN: 5305-01-210-7411
FSC: 5305 — Screws
CAGE: 29444 — PRECISION BROACHING AND MACHINE DIV OF FORMCRAFT TOOL CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 1
head_height0.188 INCHES NOMINAL IN
point_stylePOINTLESS
thread_class2A A
head_diameter0.750 INCHES NOMINAL IN
thread_length1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
fastener_length1.250 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-210-7411
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PO-26-3 · 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: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.250 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: POINTLESS
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH1.250 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
THREAD LENGTH1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
POINT STYLEPOINTLESS
THREAD CLASS2A A
THREAD QUANTITY PER INCH24
MATERIALSTEEL COMP 303 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
V953F316-51Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 PO-26-3?
PO-26-3 is a THUMBSCREW.
What parts can replace PO-26-3?
There is 1 known substitute for PO-26-3: V953F316-51. Substitute compatibility should be verified for your specific system.
What is the NSN for PO-26-3?
PO-26-3 is cataloged in the U.S. Government catalog under NSN 5305-01-210-7411. 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.