PartsTable
Technical Data Sheet
Download PDF

SP11020 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SP11020: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL, head_style: SQUARE EXTENDED WASHER, head_height: 0.437 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.500 INCHES MINIMUM IN, fastener_length: 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-274-2533, 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
SP11020
NSN: 5306-00-274-2533
FSC: 5306 — Bolts
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
head_styleSQUARE EXTENDED WASHER
head_height0.437 INCHES NOMINAL IN
thread_class2A A
thread_length0.500 INCHES MINIMUM IN
fastener_length0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
special_featuresCORNERS OF SQUARE HEAD ROUNDED ON 0.138 IN. TO 0.140 IN. RADIUS AND UNTHD PORTION OF SHANK 0.274 IN. TO 0.281 IN. DIA IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.214 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
nominal_thread_diameter0.281 INCHES IN
extended_washer_diameter0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NSN5306-00-274-2533
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SP11020 · 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
•
EXTENDED WASHER THICKNESS: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.437 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-N-894 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.281 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
HEAD HEIGHT0.437 INCHES NOMINAL IN
FASTENER LENGTH0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD LENGTH0.500 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-894 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.281 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLESQUARE EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy SP11020?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SP11020?
SP11020 is a BOLT,MACHINE.
What is the NSN for SP11020?
SP11020 is cataloged in the U.S. Government catalog under NSN 5306-00-274-2533. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SP11020

✓ 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.