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968972-1 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

968972-1: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: NICKEL OVERALL, head_style: HEXAGON, head_height: 0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, fastener_length: 2.530 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-449-2935, 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
968972-1
NSN: 5306-00-449-2935
FSC: 5306 — Bolts
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialNICKEL OVERALL
head_styleHEXAGON
head_height0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
thread_class3A A
thread_length0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
fastener_length2.530 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
first_diameter_from_head0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
third_diameter_from_head0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NSN5306-00-449-2935
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 968972-1 · 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
•
FOURTH DIAMETER FROM HEAD: 0.204 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.530 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5706 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 1.400 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FOURTH DIAMETER FROM HEAD0.204 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
FASTENER LENGTH2.530 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
THREAD LENGTH0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5706 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.400 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.450 INCHES MINIMUM AND 1.510 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 968972-1?
968972-1 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 968972-1?
968972-1 is cataloged in the U.S. Government catalog under NSN 5306-00-449-2935. 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.