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MS51975-66 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS51975-66: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include end_item_identification: CUTTER, TMS HAWSEPIPE, criticality_code_justification: ZZZX, departure_from_cited_designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS, part_name_assigned_by_controlling_agency: (INAVY)BOLT, SHOULDER; (DRAWING) BOLT, SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-170-6185, 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
MS51975-66
NSN: 5305-01-170-6185
NIINs: 011706185, 015451753
FSC: 5305 — Screws
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
end_item_identificationCUTTER, TMS HAWSEPIPE
criticality_code_justificationZZZX
departure_from_cited_designatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
part_name_assigned_by_controlling_agency(INAVY)BOLT, SHOULDER; (DRAWING) BOLT, SHOULDER
NSN5305-01-170-6185
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51975-66 · 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
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.610 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.975 INCHES MINIMUM AND 3.995 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 3.000 INCHES NOMINAL FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.996 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.820 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
HEAD HEIGHT0.610 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
FASTENER LENGTH3.975 INCHES MINIMUM AND 3.995 INCHES MAXIMUM IN
SHOULDER LENGTH3.000 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.996 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.820 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
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 MS51975-66?
MS51975-66 is a SCREW,SHOULDER.
What is the NSN for MS51975-66?
MS51975-66 is cataloged in the U.S. Government catalog under NSN 5305-01-170-6185. This indicates validated use in U.S. government and defense supply chains.
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