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1-140-168-02 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1-140-168-02: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.550 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, fastener_length: 2.950 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-948-3240, 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
1-140-168-02
NSN: 5306-00-948-3240
FSC: 5306 — Bolts
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
head_styleHEXAGON
head_height0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
thread_class2A A
thread_length0.550 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
fastener_length2.950 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN
hardness_rating33.0 ROCKWELL C MINIMUM AND 35.5 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
precious_materialSILVER
surface_treatmentSILVER OVERALL
width_between_flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-948-3240
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1-140-168-02 · 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: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.950 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
PRECIOUS MATERIAL: SILVER
•
THREAD LENGTH: 0.550 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
•
HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 35.5 ROCKWELL C MAXIMUM OVERALL
•
FIRST DIAMETER FROM HEAD: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 1.520 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
FASTENER LENGTH2.950 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
PRECIOUS MATERIALSILVER
THREAD LENGTH0.550 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 35.5 ROCKWELL C MAXIMUM OVERALL
FIRST DIAMETER FROM HEAD0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.520 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER2.360 INCHES MINIMUM AND 2.400 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1-140-168-02?
1-140-168-02 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 1-140-168-02?
1-140-168-02 is cataloged in the U.S. Government catalog under NSN 5306-00-948-3240. 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.