PartsTable
Technical Data Sheet
Download PDF

MS51861-12 — SHIELD,AIRCRAFT GROUND SERVICING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS51861-12: SHIELD,AIRCRAFT GROUND SERVICING.

SHIELD,AIRCRAFT GROUND SERVICING. Key specifications include latch: NOT INCLUDED, shape: HALF ROUNDED, handle: FURNISHED, diameter: 22.874 INCHES NOMINAL IN, thickness: 0.750 INCHES NOMINAL IN, design_type: PLUG. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-140-8001, 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
MS51861-12
NSN: 5305-00-140-8001
NIINs: 001408001, 007710814
FSC: 5305 — Screws
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
latchNOT INCLUDED
shapeHALF ROUNDED
handleFURNISHED
diameter22.874 INCHES NOMINAL IN
thickness0.750 INCHES NOMINAL IN
design_typePLUG
furnished_itemsWARNING STREAMER
handle_quantity2
preheater_duct_openingNOT INCLUDED
end_item_identificationOV-1AF/B/C/D AND YAO-1 AIRCRAFT
cover/plug_protrusion_typeW/STOPS
NSN5305-00-140-8001
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51861-12 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD HEIGHT: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: PAN
•
NONDEFINITIVE SPEC/STD DATA: AB TYPE
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
FASTENER LENGTH0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEPAN
NONDEFINITIVE SPEC/STD DATAAB TYPE
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SUBSTITUTES & CROSS-REFERENCES 8
42100Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS51861-127Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
27-3041HReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FFS107Reference document
Same NSN cross-reference
Reference document — Identification reference
5305001408001Reference document
Same NSN cross-reference
Reference document — Informative reference only
65A131C52Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy MS51861-12?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS51861-12?
MS51861-12 is a SHIELD,AIRCRAFT GROUND SERVICING.
What parts can replace MS51861-12?
There are 8 known substitutes for MS51861-12: 42100, MS51861-127, 27-3041H and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51861-12?
MS51861-12 is cataloged in the U.S. Government catalog under NSN 5305-00-140-8001. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS51861-12