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331930 — SHIELD ASSEMBLY,PREHEATER,FIELD

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

331930: SHIELD ASSEMBLY,PREHEATER,FIELD.

SHIELD ASSEMBLY,PREHEATER,FIELD. Key specifications include end_item_identification: 7310-00-842-9247 AND 7310-01-017-1285, general_characteristics_item_description: O/A DIM.,10-1/8 IN. LG,4-5/8 IN.

W IN. This part is cataloged in the U.S. Government catalog under NSN 5330-00-448-7374, 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
331930
NSN: 5330-00-448-7374
NIINs: 004487374, 009992511
FSC: 5330 — Packing and Gasket Materials
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
end_item_identification7310-00-842-9247 AND 7310-01-017-1285
general_characteristics_item_descriptionO/A DIM.,10-1/8 IN. LG,4-5/8 IN. W IN
NSN5330-00-448-7374
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 331930 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
•
TEMP RATING: -20.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 1.562 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING SPRING
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
TEMP RATING-20.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
SEAL WIDTH0.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER1.562 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING SPRING
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 4
6836LAH1L7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
6836LPDReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
6836LPDH1L7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6836LPDH5/L16Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 331930?
331930 is a SHIELD ASSEMBLY,PREHEATER,FIELD.
What parts can replace 331930?
There are 4 known substitutes for 331930: 6836LAH1L7, 6836LPD, 6836LPDH1L7 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 331930?
331930 is cataloged in the U.S. Government catalog under NSN 5330-00-448-7374. This indicates validated use in U.S. government and defense supply chains.
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