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556-7106779-89 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

556-7106779-89: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 2.310 INCHES NOMINAL IN, material: COPPER ALLOY INSERT, style_designator: INTERNALLY THREADED FULL LENGTH, width_across_flats: 1.850 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON, end_item_identification: ACC, HYD 1300. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-604-1439, 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
556-7106779-89
NSN: 5340-01-604-1439
NIINs: 016041439, 017340939
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length2.310 INCHES NOMINAL IN
materialCOPPER ALLOY INSERT
style_designatorINTERNALLY THREADED FULL LENGTH
width_across_flats1.850 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
end_item_identificationACC, HYD 1300
hole_quantity_perpendicular_to_axis1
part_name_assigned_by_controlling_agencyBUSHING ASSY OIL RETAINER
NSN5340-01-604-1439
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 556-7106779-89 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
•
WIDTH ACROSS FLATS: 1.850 INCHES NOMINAL IN
•
LENGTH: 2.310 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
MATERIAL: COPPER ALLOY INSERT
•
HOLE QUANTITY PERPENDICULAR TO AXIS: 1
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.850 INCHES NOMINAL IN
LENGTH2.310 INCHES NOMINAL IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
CROSS-SECTIONAL SHAPEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYBUSHING ASSY OIL RETAINER
END ITEM IDENTIFICATIONACC, HYD 1300
MATERIALCOPPER ALLOY INSERT
HOLE QUANTITY PERPENDICULAR TO AXIS1
SUBSTITUTES & CROSS-REFERENCES 1
H792-8002-89Same 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 556-7106779-89?
556-7106779-89 is a STANDOFF,THREADED,SPACING.
What parts can replace 556-7106779-89?
There is 1 known substitute for 556-7106779-89: H792-8002-89. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-7106779-89?
556-7106779-89 is cataloged in the U.S. Government catalog under NSN 5340-01-604-1439. 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.