scope:

This military standard is approved for use by all Departments and Agencies of the Department of Defense. Selection for all new engineering and design applications and for repetitive use shall be made from this document, when applicable.

LENGTH "L" TO BE MEASURED BETWEEN CENTER OF NIPPLE END AND CENTER OF FLANGE SEALING SURFACE ALONG A STRAIGHT LINE PARALLEL TO HOSE LENGTH WITH HOSE LAID OUT HORIZONTALLY AND STRAIGHT.

HOSE IN ACCORDANCE WITH MIL-H-27267.

HOSE ASSEMBLY TO BE SPECIFIED IN INCHES AND IN THE FOLLOWING LENGTH INCREMENTS ONLY:

UNDER 12 INCHES LONG, NOT LESS THAN ⅛ INCH INCREMENTS. TOLERANCE ± ⅛.

12 TO 18 INCHES LONG, NOT LESS THAN ¼ INCH INCREMENTS. TOLERANCE ± ⅛.

OVER 18 INCHES LONG, NOT LESS THAN ½ INCH INCREMENTS.

TOLERANCE FOR LENGTHS FROM 18 TO 36 INCHES ± ¼.

TOLERANCE FOR LENGTHS FROM 36 TO 50 INCHES ± ½.

TOLERANCE FOR LENGTHS OVER 50 INCHES ± 1%.

THE PART NO. SHALL BE FORMULATED TO REFLECT THE HOSE ASSEMBLY TUBE O.D., LENGTH, STYLE, AND ANGLE BETWEEN ELBOWS, AS APPLICABLE.

EXAMPLES OF PART NO.

"A" AS1072 SLEEVE, FIRE PROTECTION, SILICONE COVERED, −65°F (−54°C) THRU +500°F (+260°C) SECURED WITH CRES BANDS AS REQUIRED.

"B" AS1073 - CODE B SLEEVE, ABRASION PROTECTION, HEAT SHRINKABLE, BLACK POLYOLEFIN, −54°F (−54°C) THRU +250°F (+121°C).

"C" AS1291 - CODE A SLEEVE, CHAFE GUARD, EXTRUDED SEAMLESS WHITE TFE, −65°F (−54°C) THRU +450°F (+232°C) SECURED WITH CRES BANDS AS REQUIRED.

"D" AS1291 - CODE C SLEEVE, CHAFE GUARD, EXTRUDED SEAMLESS TRANSPARENT FEP, −65°F (−54°C) THRU +350°F (+177°C) SECURED WITH CRES BANDS AS REQUIRED.

"E" AS1298 SLEEVE, HEAVY WALL CHAFE GUARD, EXTRUDED SEAMLESS BLACK TFE, −65°F (−54°C) THRU +450°F (+232°C) SECURED WITH CRES BANDS AS REQUIRED.

"L" LOCKWIRE HOLE

"F" CODE A + L

"G" CODE B + L

"H" CODE C + L

"J" CODE D + L

"K" CODE E + L