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12948152 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12948152: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: SPECIAL, width: 4.440 INCHES MINIMUM AND 4.440 INCHES MINIMUM AND 4.560 INCHES MAXIMUM4.560 INCHES MAXIMUM IN, length: 3.750 INCHES MINIMUM AND 3.750 INCHES MINIMUM AND 3.870 INCHES MAXIMUM3.870 INCHES MAXIMUM IN, material: STEEL OR STEEL UNS K02600, thickness: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, mounting_hole_type: UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-355-2143, 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
12948152
NSN: 5340-01-355-2143
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
shapeSPECIAL
width4.440 INCHES MINIMUM AND 4.440 INCHES MINIMUM AND 4.560 INCHES MAXIMUM4.560 INCHES MAXIMUM IN
length3.750 INCHES MINIMUM AND 3.750 INCHES MINIMUM AND 3.870 INCHES MAXIMUM3.870 INCHES MAXIMUM IN
materialSTEEL OR STEEL UNS K02600
thickness0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.234 INCHES MINIMUM AND 0.256 INCHES MAXIMUM ALL HOLES IN
mounting_hole_quantity4
end_item_identification2350-01-305-0028
material_document_and_classificationASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A-36 ASSN STD 2ND MATERIAL RESPONSE
NSN5340-01-355-2143
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12948152 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: 4
•
LENGTH: 3.750 INCHES MINIMUM AND 3.750 INCHES MINIMUM AND 3.870 INCHES MAXIMUM3.870 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A-36 ASSN STD 2ND MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.256 INCHES MAXIMUM ALL HOLES IN
•
SHAPE: SPECIAL
•
WIDTH: 4.440 INCHES MINIMUM AND 4.440 INCHES MINIMUM AND 4.560 INCHES MAXIMUM4.560 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
LENGTH3.750 INCHES MINIMUM AND 3.750 INCHES MINIMUM AND 3.870 INCHES MAXIMUM3.870 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A-36 ASSN STD 2ND MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.234 INCHES MINIMUM AND 0.256 INCHES MAXIMUM ALL HOLES IN
SHAPESPECIAL
SPECIAL FEATURESMOUNTING CONFIGURATION: EQUALLY SPACED IN A SQUARE-1.938 IN. APART TWO MOUNTING SLOTS 2.375 IN. APART ALONG WIDTH; THE FIRST SLOT IS .812 IN FROM EDGE TO CENTER OF SLOT ALONG LENGTH; CENTER TO CENTER DISTANCE FROM SLOTS IS 2.375; SLOT SIZE IS 2 X 1.19 IN. LG. BY 2 X .44 IN. WIDE; ONE CORNER IS BEVELED; FINISH-SYSTEM B,TYPE A,COLOR A,PER 12919498 IN
WIDTH4.440 INCHES MINIMUM AND 4.440 INCHES MINIMUM AND 4.560 INCHES MAXIMUM4.560 INCHES MAXIMUM IN
END ITEM IDENTIFICATION2350-01-305-0028
MATERIALSTEEL OR STEEL UNS K02600
THICKNESS0.375 INCHES NOMINAL0.375 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
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FREQUENTLY ASKED QUESTIONS
What is 12948152?
12948152 is a PLATE,MOUNTING.
What is the NSN for 12948152?
12948152 is cataloged in the U.S. Government catalog under NSN 5340-01-355-2143. 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.