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89SP1052-3 — BAND,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

89SP1052-3: BAND,RETAINING.

The BAND,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.750 INCHES NOMINAL IN, height: 1.000 INCHES NOMINAL IN, length: 2.875 INCHES NOMINAL IN, material: STEEL COMP 302, end_style: SPLIT LOOP, thickness: 0.025 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-373-9750, 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
89SP1052-3
NSN: 5340-00-373-9750
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width0.750 INCHES NOMINAL IN
height1.000 INCHES NOMINAL IN
length2.875 INCHES NOMINAL IN
materialSTEEL COMP 302
end_styleSPLIT LOOP
thickness0.025 INCHES NOMINAL IN
slot_width0.281 INCHES NOMINAL IN
loop_radius0.188 INCHES NOMINAL IN
hole_diameter0.250 INCHES NOMINAL IN
basic_shape_styleFLAT
material_document_and_classificationMIL-S-5059, COMP 302, COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-373-9750
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 89SP1052-3 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
•
LENGTH: 2.875 INCHES NOMINAL IN
•
END STYLE: SPLIT LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059, COMP 302, COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE
•
LOOP RADIUS: 0.188 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: FLAT
•
HEIGHT: 1.000 INCHES NOMINAL IN
•
WIDTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH2.875 INCHES NOMINAL IN
END STYLESPLIT LOOP
END STYLELOOP WITH LATCH
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059, COMP 302, COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE
LOOP RADIUS0.188 INCHES NOMINAL IN
BASIC SHAPE STYLEFLAT
HEIGHT1.000 INCHES NOMINAL IN
WIDTH0.750 INCHES NOMINAL IN
MATERIALSTEEL COMP 302
SLOT WIDTH0.281 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 89SP1052-3?
89SP1052-3 is a BAND,RETAINING.
What is the NSN for 89SP1052-3?
89SP1052-3 is cataloged in the U.S. Government catalog under NSN 5340-00-373-9750. 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.