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727193-1 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

727193-1: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OVERALL, head_style: HEXAGON, head_height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.393 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN, fastener_length: 1.880 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-807-9221, 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
727193-1
NSN: 5306-00-807-9221
FSC: 5306 — Bolts
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
head_styleHEXAGON
head_height0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
thread_class3A A
thread_length0.393 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
fastener_length1.880 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCHROMIUM OVERALL
width_between_flats0.546 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
first_diameter_from_head0.336 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
NSN5306-00-807-9221
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 727193-1 · 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: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.880 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 496,TY 2 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.393 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050,F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.336 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 1.540 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
FASTENER LENGTH1.880 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION496,TY 2 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.393 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050,F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.336 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.540 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.603 INCHES MINIMUM AND 1.613 INCHES MAXIMUM 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

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 727193-1?
727193-1 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 727193-1?
727193-1 is cataloged in the U.S. Government catalog under NSN 5306-00-807-9221. This indicates validated use in U.S. government and defense supply chains.
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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.