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YS2938-5-20 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

YS2938-5-20: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON, grip_length: 1.250 INCHES NOMINAL IN, head_height: 0.187 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.467 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-541-0535, 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
YS2938-5-20
NSN: 5306-00-541-0535
FSC: 5306 — Bolts
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON
grip_length1.250 INCHES NOMINAL IN
head_height0.187 INCHES NOMINAL IN
thread_class3A A
thread_length0.467 INCHES NOMINAL IN
fastener_length1.717 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
width_between_flats0.561 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-541-0535
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: YS2938-5-20 · 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: 0.187 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.717 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MAC PS13145,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.467 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: DOUBLE HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.187 INCHES NOMINAL IN
FASTENER LENGTH1.717 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMAC PS13145,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.467 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEDOUBLE HEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.250 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.561 INCHES NOMINAL IN
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 4
66051-5-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HS2601-5Z20Reference document
Same NSN cross-reference
Reference document — Secondary reference
3M26-5-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC261M5-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is YS2938-5-20?
YS2938-5-20 is a BOLT,MACHINE.
What parts can replace YS2938-5-20?
There are 4 known substitutes for YS2938-5-20: 66051-5-20, HS2601-5Z20, 3M26-5-20 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for YS2938-5-20?
YS2938-5-20 is cataloged in the U.S. Government catalog under NSN 5306-00-541-0535. 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.