MIL-DTL-549L
3.3.3 Pole connector. The pole connector shall conform to Drawing 5-4-198 and shall be
fabricated of steel specified in 3.2.4 or 3.2.5.
3.3.4 Swivel plate. The swivel plate shall conform to Drawing 5-4-198 and shall be fabricated
of steel specified in 3.2.4 or 3.2.5.
3.3.5 Spindles. The spindles plate shall conform to Drawing 5-4-124 and shall be fabricated
of steel specified in 3.2.4.
3.3.6 Welding. Welding, except spot or projection welds on ridge pole ferrules, shall be
continuous, sound, smooth and free from pits, holes, and fissures. Rough or projecting edges shall be
ground smooth. Spot and projection welds shall be sound, smooth and free from pits, burns or flashes.
Ridge pole sleeves shall be welded at the center of the bottom, as shown on Drawing 5-4-124, or along
the lower left or right corner of the sleeve with a continuous weld end to end.
3.4 Finish. All metal components shown on drawings and specified herein prior to zinc coating
shall have all welding and drilling of holes when applicable completed and be thoroughly cleaned. The
zinc coating on all surfaces except fasteners indicated on drawing shall conform to ASTM A 153. All
fasteners (bolts, nuts, washers, screws, cotter pins and rivets) shall be zinc plated in accordance with
type IV finish, service condition SC3 of ASTM B 633.
3.5 Marking. Each pole of section shall be marked with the letters "U.S.", the contractor's
name, trade name or trademark, and the year of contract approximately in the center of its length in
legible characters with ink specified in 3.2.6. All marking shall conform to MIL-STD-130. In addition,
each pole shall be marked with the following information, as applicable:
Upright - 5 feet 8 inches
Upright - 6 feet 2 inches
Upright - 7 feet
Upright - Male section for 8 foot 3 inch pole
Upright - Female section for 8 foot 3 inch pole
Upright - Male section for 9 foot pole
Upright - Female section for 9 foot pole
Upright - Male section for 10 foot 3 inch pole
Upright - Male section for 12 foot 3 inch pole
Upright - Female section for 10 foot 3 inch or 12 foot 3 inch pole
Upright - 21 feet
Ridge
- 5 feet 11-1/4 inches
Ridge
- 7 feet
Ridge
- 9 feet
Ridge
- Male section for 11 foot 10 inch pole with connector
Ridge
- Female section for 11 foot 10 inch pole with connector
Ridge
- Male section for 17 foot 3 inch pole
Ridge
- Extension piece for 17 foot 3 inch pole
Ridge
- Female section for 17 foot 3 inch pole
Ridge
- Male section for 20 foot 3 1/2 inch pole
Ridge
- Female section for 20 foot 3 1/2 inch pole
The marking shall be legible, retain the original color, not smear with vigorous rubbing or crack
or peel when immersed in water and tested as specified in 4.4.5.
3.6 Workmanship. The tent poles shall conform to the quality of product established by this
document.
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