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27503500026PC354 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

27503500026PC354: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: LEAD ALLOY OR TIN ALLOY OVERALL, joint_type: BUTT ENDS, special_features: STACK HEIGHT 1.875 IN. NOMINAL IN, peripheral_diameter: 3.500 INCHES NOMINAL IN, center_hole_diameter: 2.750 INCHES NOMINAL IN, cross-sectional_height: 0.375 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-004-9556, 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
27503500026PC354
NSN: 5330-01-004-9556
FSC: 5330 — Packing and Gasket Materials
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
materialLEAD ALLOY OR TIN ALLOY OVERALL
joint_typeBUTT ENDS
special_featuresSTACK HEIGHT 1.875 IN. NOMINAL IN
peripheral_diameter3.500 INCHES NOMINAL IN
center_hole_diameter2.750 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationB-153,TYPE 101M,CAGEC 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-004-9556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27503500026PC354 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
•
CROSS-SECTIONAL HEIGHT: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: B-153,TYPE 101M,CAGEC 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 3.500 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.750 INCHES NOMINAL IN
•
MATERIAL: LEAD ALLOY OR TIN ALLOY OVERALL
•
JOINT TYPE: BUTT ENDS
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONB-153,TYPE 101M,CAGEC 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER3.500 INCHES NOMINAL IN
SPECIAL FEATURESSTACK HEIGHT 1.875 IN. NOMINAL IN
CENTER HOLE DIAMETER2.750 INCHES NOMINAL IN
MATERIALLEAD ALLOY OR TIN ALLOY OVERALL
JOINT TYPEBUTT ENDS
SUBSTITUTES & CROSS-REFERENCES 6
1C3097PC12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1F7020 PIECE 12Reference document
Same NSN cross-reference
Reference document — Secondary reference
101MReference document
Same NSN cross-reference
Reference document — Secondary reference
100MReference document
Same NSN cross-reference
Reference document — Secondary reference
IF-4056PC34Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1F-4056PC34Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 27503500026PC354?
27503500026PC354 is a PACKING,PREFORMED.
What parts can replace 27503500026PC354?
There are 6 known substitutes for 27503500026PC354: 1C3097PC12, 1F7020 PIECE 12, 101M and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27503500026PC354?
27503500026PC354 is cataloged in the U.S. Government catalog under NSN 5330-01-004-9556. 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.