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BL12300-17 — INSULATION,THERMAL,SPECIAL PURPO

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BL12300-17: INSULATION,THERMAL,SPECIAL PURPO.

INSULATION,THERMAL,SPECIAL PURPO. Key specifications include width: 14.750 INCHES MINIMUM AND 14.990 INCHES MAXIMUM IN, length: 39.070 INCHES MINIMUM AND 39.310 INCHES MAXIMUM IN, material: STEEL COMP 321 BOTH SIDES, thickness: 0.130 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, temp_rating: 1300.0 FAHRENHEIT DEGF, added_binder: INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-992-9468, 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
BL12300-17
NSN: 5330-00-992-9468
FSC: 5330 — Packing and Gasket Materials
CAGE: 75165 — JOHNS MANVILLE INTL (USA)
SPECIFICATIONS
width14.750 INCHES MINIMUM AND 14.990 INCHES MAXIMUM IN
length39.070 INCHES MINIMUM AND 39.310 INCHES MAXIMUM IN
materialSTEEL COMP 321 BOTH SIDES
thickness0.130 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
temp_rating1300.0 FAHRENHEIT DEGF
added_binderINCLUDED
affixed_sheetINCLUDED
layer_quantity1 LOCATION NOT OTHERWISE SPECIFIED
layer_thickness0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
quilted_featureINCLUDED
mounting_facilityFLANGE
fsc_application_dataFUSELAGE SECTION,AIRCRAFT
NSN5330-00-992-9468
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BL12300-17 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: FUSELAGE SECTION,AIRCRAFT
•
QUILTED FEATURE: INCLUDED
•
TEMP RATING: 1300.0 FAHRENHEIT DEGF
•
LENGTH: 39.070 INCHES MINIMUM AND 39.310 INCHES MAXIMUM IN
•
ONE SIDE DECORATION PROVISION: NOT PROVIDED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BOTH SIDES
•
MOUNTING FACILITY: FLANGE
•
MAXIMUM THERMAL CONDUCTIVITY: 1.99 AT 1700 DEG F DEGF
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAFUSELAGE SECTION,AIRCRAFT
QUILTED FEATUREINCLUDED
TEMP RATING1300.0 FAHRENHEIT DEGF
LENGTH39.070 INCHES MINIMUM AND 39.310 INCHES MAXIMUM IN
ONE SIDE DECORATION PROVISIONNOT PROVIDED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BOTH SIDES
MOUNTING FACILITYFLANGE
MAXIMUM THERMAL CONDUCTIVITY1.99 AT 1700 DEG F DEGF
ENVIRONMENTAL PROTECTIONFIRE RESISTANT AND FLAMEPROOF
WIDTH14.750 INCHES MINIMUM AND 14.990 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
134SCP104-17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is BL12300-17?
BL12300-17 is a INSULATION,THERMAL,SPECIAL PURPO.
What parts can replace BL12300-17?
There is 1 known substitute for BL12300-17: 134SCP104-17. Substitute compatibility should be verified for your specific system.
What is the NSN for BL12300-17?
BL12300-17 is cataloged in the U.S. Government catalog under NSN 5330-00-992-9468. 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.