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20870-7 — FRAME,ACCESS HOLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20870-7: FRAME,ACCESS HOLE.

The FRAME,ACCESS HOLE is a the manufacturer industrial component. Key specifications include overall_width: 6.875 INCHES NOMINAL IN, overall_length: 9.875 INCHES NOMINAL IN, overall_thickness: 0.625 INCHES NOMINAL IN, fsc_application_data: TEST SET ELECTRONIC, end_item_identification: HICKOK ELECTRICAL INSTRUMENT COMPANY,MODEL 1600. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-774-6954, 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
20870-7
NSN: 5340-00-774-6954
FSC: 5340 — Hardware, Commercial
CAGE: 28569 — HICKOK WAEKON LLC (USA)
SPECIFICATIONS
overall_width6.875 INCHES NOMINAL IN
overall_length9.875 INCHES NOMINAL IN
overall_thickness0.625 INCHES NOMINAL IN
fsc_application_dataTEST SET ELECTRONIC
end_item_identificationHICKOK ELECTRICAL INSTRUMENT COMPANY,MODEL 1600
NSN5340-00-774-6954
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20870-7 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
•
FSC APPLICATION DATA: TEST SET ELECTRONIC
•
OVERALL THICKNESS: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATATEST SET ELECTRONIC
OVERALL THICKNESS0.625 INCHES NOMINAL IN
OVERALL LENGTH9.875 INCHES NOMINAL IN
OVERALL WIDTH6.875 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHICKOK ELECTRICAL INSTRUMENT COMPANY,MODEL 1600
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20870-7?
20870-7 is a FRAME,ACCESS HOLE.
What is the NSN for 20870-7?
20870-7 is cataloged in the U.S. Government catalog under NSN 5340-00-774-6954. 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.