PartsTable
Technical Data Sheet
Download PDF

JCM-17871 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

JCM-17871: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN, length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, material: STEEL, thickness: 0.234 INCHES NOMINAL0.234 INCHES NOMINAL IN, features_provided: APERTURE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-487-0046, 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
JCM-17871
NSN: 5340-01-487-0046
FSC: 5340 — Hardware, Commercial
CAGE: 58905 — STRIKE WEAPONS AND UNMANNED AVIATION (USA)
SPECIFICATIONS
shapeRECTANGULAR
width0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
length1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
materialSTEEL
thickness0.234 INCHES NOMINAL0.234 INCHES NOMINAL IN
features_providedAPERTURE
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.200 INCHES NOMINAL FIRST HOLE IN
mounting_hole_quantity3
part_name_assigned_by_controlling_agencyPLATE, CAPTIVE
NSN5340-01-487-0046
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: JCM-17871 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 3
•
LENGTH: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.200 INCHES NOMINAL FIRST HOLE IN
•
SHAPE: RECTANGULAR
•
FEATURES PROVIDED: APERTURE
•
WIDTH: 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY3
LENGTH1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.200 INCHES NOMINAL FIRST HOLE IN
MOUNTING HOLE DIAMETER0.230 INCHES NOMINAL ALL HOLES IN
SHAPERECTANGULAR
FEATURES PROVIDEDAPERTURE
WIDTH0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE, CAPTIVE
MATERIALSTEEL
THICKNESS0.234 INCHES NOMINAL0.234 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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
Ready to buy JCM-17871?
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 JCM-17871?
JCM-17871 is a PLATE,MOUNTING.
What is the NSN for JCM-17871?
JCM-17871 is cataloged in the U.S. Government catalog under NSN 5340-01-487-0046. 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 — JCM-17871

✓ 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.