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ST810661-7 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST810661-7: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 1, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.313 INCHES NOMINAL IN, thread_length: 0.221 INCHES MINIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-931-5340, 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
ST810661-7
NSN: 5305-00-931-5340
FSC: 5305 — Screws
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 1
head_height0.188 INCHES NOMINAL IN
thread_class2A A
head_diameter0.313 INCHES NOMINAL IN
thread_length0.221 INCHES MINIMUM IN
fastener_length0.719 INCHES NOMINAL IN
special_featuresPURCHASE ORDER MUST SPECIFY BURR FREE
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
NSN5305-00-931-5340
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST810661-7 · 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: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.719 INCHES NOMINAL IN
•
THREAD LENGTH: 0.221 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.095 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH0.719 INCHES NOMINAL IN
THREAD LENGTH0.221 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.095 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.438 INCHES NOMINAL IN
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 4
6131SS032-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
1121-91Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6131-SS-0632Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
214730-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 ST810661-7?
ST810661-7 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace ST810661-7?
There are 4 known substitutes for ST810661-7: 6131SS032-7, 1121-91, 6131-SS-0632 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST810661-7?
ST810661-7 is cataloged in the U.S. Government catalog under NSN 5305-00-931-5340. This indicates validated use in U.S. government and defense supply chains.
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