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Technical Data Sheet
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205875 — BOLT,REAR CRANKCASE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

205875: BOLT,REAR CRANKCASE.

The BOLT,REAR CRANKCASE is a the manufacturer industrial component. Key specifications include overall_width: 6.885 INCHES NOMINAL IN, overall_length: 11.235 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-631-2951, 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
205875
NSN: 5306-00-631-2951
NIINs: 006312951, 010435601
FSC: 5306 — Bolts
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
overall_width6.885 INCHES NOMINAL IN
overall_length11.235 INCHES NOMINAL IN
NSN5306-00-631-2951
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 205875 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATL STEEL PER AMS 6322; HARDNESS PER ROCKWELL C26 MIN AND C32 MAX; 12.334 IN. LONG; FIRST END THREADED 0.5-20NF-3A FOR 0.781 IN.; BODY OD VARIABLE 0.430 IN. MIN AND 0.435 IN. MAX,0.5090 IN MIN AND 0.5095 IN. MAX,0.502 IN. MIN AND 0.506 IN. MAX; FLANGE 0.99 IN. MIN AND 1.01 IN. MAX BY 0.74 IN. MIN AND 0.76 IN. MAX A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATL STEEL PER AMS 6322; HARDNESS PER ROCKWELL C26 MIN AND C32 MAX; 12.334 IN. LONG; FIRST END THREADED 0.5-20NF-3A FOR 0.781 IN.; BODY OD VARIABLE 0.430 IN. MIN AND 0.435 IN. MAX,0.5090 IN MIN AND 0.5095 IN. MAX,0.502 IN. MIN AND 0.506 IN. MAX; FLANGE 0.99 IN. MIN AND 1.01 IN. MAX BY 0.74 IN. MIN AND 0.76 IN. MAX A
END ITEM IDENTIFICATIONACFT ENG,RECIPROCATING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 205875?
205875 is a BOLT,REAR CRANKCASE.
What is the NSN for 205875?
205875 is cataloged in the U.S. Government catalog under NSN 5306-00-631-2951. 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.