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Technical Data Sheet
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E1258 — PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

E1258: PACKING.

The PACKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY ACTUATING ELEMENT, dial_size: 4-1/2 IN. DIA.

IN, scale_name: PRESSURE, scale_type: DIAL, scale_range: +0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS, pointer_type: INDICATING. This part is cataloged in the U.S. Government catalog under NSN 5330-00-452-1119, 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
E1258
NSN: 5330-00-452-1119
NIINs: 004521119, 011292080, 014258558
FSC: 5330 — Packing and Gasket Materials
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY ACTUATING ELEMENT
dial_size4-1/2 IN. DIA. IN
scale_namePRESSURE
scale_typeDIAL
scale_range+0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS
pointer_typeINDICATING
adjustabilityADJUSTABLE
overall_depth1.891 INCHES NOMINAL IN
pointer_colorBLACK
actuation_typeBOURDON TUBE
scale_accuracy1/2 PCT OF FULL SCALE
connection_size0.250 IN. NPT DIA. IN
NSN5330-00-452-1119
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E1258 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
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 E1258?
E1258 is a PACKING.
What is the NSN for E1258?
E1258 is cataloged in the U.S. Government catalog under NSN 5330-00-452-1119. This indicates validated use in U.S. government and defense supply chains.
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