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DF2070-148 FN 13 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DF2070-148 FN 13: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: NICKEL ALLOY 400, design_type: SPLIT, end_diameter: 2.4300 INCHES MINIMUM AND 2.4320 INCHES MAXIMUM IN, bore_diameter: 2.0003 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN, overall_height: 0.7500 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-396-8079, 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
DF2070-148 FN 13
NSN: 5340-01-396-8079
FSC: 5340 — Hardware, Commercial
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
design_typeSPLIT
end_diameter2.4300 INCHES MINIMUM AND 2.4320 INCHES MAXIMUM IN
bore_diameter2.0003 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN
overall_height0.7500 INCHES NOMINAL IN
style_designatorSEAT
distance_from_end_to_first_step0.2620 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN
material_document_and_classificationQQ-N-281 CL A FORM 1 COND HF FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-396-8079
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DF2070-148 FN 13 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
•
END DIAMETER: 2.4300 INCHES MINIMUM AND 2.4320 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.2620 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN
•
DESIGN TYPE: SPLIT
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 CL A FORM 1 COND HF FED SPEC SINGLE MATERIAL RESPONSE
•
BORE DIAMETER: 2.0003 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN
•
MATERIAL: NICKEL ALLOY 400
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7500 INCHES NOMINAL IN
END DIAMETER2.4300 INCHES MINIMUM AND 2.4320 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.2620 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN
DESIGN TYPESPLIT
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL A FORM 1 COND HF FED SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER2.0003 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY 400
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 1
211075765Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 DF2070-148 FN 13?
DF2070-148 FN 13 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace DF2070-148 FN 13?
There is 1 known substitute for DF2070-148 FN 13: 211075765. Substitute compatibility should be verified for your specific system.
What is the NSN for DF2070-148 FN 13?
DF2070-148 FN 13 is cataloged in the U.S. Government catalog under NSN 5340-01-396-8079. 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.