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903B-2528-1.00S — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

903B-2528-1.00S: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: PLASTIC HEAD, head_style: KNURLED NO. 5, head_height: 0.3125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.750 INCHES NOMINAL IN, thread_length: 1.00 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-682-5033, 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
903B-2528-1.00S
NSN: 5305-01-682-5033
FSC: 5305 — Screws
CAGE: 53816 — COOKSEY CORP THE SHEAR-LOC PRODUCTS (USA)
SPECIFICATIONS
materialPLASTIC HEAD
head_styleKNURLED NO. 5
head_height0.3125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.750 INCHES NOMINAL IN
thread_length1.00 INCHES NOMINAL IN
fastener_length1.00 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identification5895-01-679-1787
nominal_thread_diameter0.2500 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5305-01-682-5033
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 903B-2528-1.00S · 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: 0.3125 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.00 INCHES NOMINAL IN
•
THREAD LENGTH: 1.00 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.2500 INCHES IN
•
HEAD STYLE: KNURLED NO. 5
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.3125 INCHES NOMINAL IN
FASTENER LENGTH1.00 INCHES NOMINAL IN
THREAD LENGTH1.00 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.2500 INCHES IN
HEAD STYLEKNURLED NO. 5
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYPLASTIC,KNURLED HEAD THUMB SCREW
THREAD CLASS2A A
END ITEM IDENTIFICATION5895-01-679-1787
THREAD QUANTITY PER INCH28
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 903B-2528-1.00S?
903B-2528-1.00S is a THUMBSCREW.
What is the NSN for 903B-2528-1.00S?
903B-2528-1.00S is cataloged in the U.S. Government catalog under NSN 5305-01-682-5033. 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.