Cut Sheet

Rigid and Intermediate Metal Conduit Fittings
UL Listed raintight and CSA Certified watertight and dusttight.
Steel/Malleable Iron and Aluminum Bullet
®
Hub Connectors*
CAT. NO.
HUB MAX. WALL
STEEL/ STEEL/M.I. SIZE DIMENSIONS (IN.) THICKNESS
M.I. ALUM.** W/LOCKNUT (IN.) A B C (IN.)
370 370AL 401
1
2"1
3
8 1
1
4
3
4
5
16
371 371AL 402
3
4 1
5
8 1
1
4
3
4
5
16
372 372AL 403 1" 2
3
32 1
3
8
7
8
5
16
373 373AL 404-TB 1
1
8"2
9
16 1
5
8 1
5
16
374 374AL 405 1
1
2"3
3
32 1
5
8 1
5
16
375 375AL 406-TB 2" 3
5
8 1
5
8 1
5
16
376 407 2
1
2"4
1
8 1
7
8 1
1
8
3
8
377 408 3" 5 2
1
2 1
1
2
1
2
378 409 3
1
2"5
9
16 2
1
2 1
1
2
1
2
379 410-TB 4" 6
3
16 2
1
2 1
1
2
1
2
381 5" 8 3
1
8
1
2
382 6" 9
3
16 3
1
8
1
2
*
Suitable for hazardous locations use in Class I, Div. 2; Class II, Div. 2; Class III, Div. 1 and 2
where general purpose equipment is specifically permitted per NEC Section 500-2(a).
**
Aluminum not available with insulated throat.
UL Listed rain tight and CSA Certified watertight and dust tight
Available with DURA-PLATE
®
finish.
UL File No. E-23018
For Stl.: CSA File No. 2284
For AL.: CSA File No. 0637
Spacing Chart for Bullet
®
Hubs
MIN. SPACE FROM
CENTER-TO-CENTER SPACING
CENTER OF KO
CONDUIT SIZES
BULLET
®
HUB TO DIAMETERS
1
2
3
4 11
1
4 1
1
2 22
1
2 33
1
2 4 5 6 WALL OF BOX (MIN.)
1
2 1
7
16 1
5
8 1
3
4 2
1
8 2
3
8 2
5
8 2
7
8 3
5
16 3
1
2 3
7
8 4
7
8 5
5
16
3
4
7
8
3
4 — 1
3
4 1
7
8 2
1
4 2
1
2 2
3
4 33
1
2 3
3
4 4
1
8 4
13
16 5
1
2
7
8 1
1
8
1— 2 2
3
8 2
5
8 2
7
8 3
1
8 3
5
8 3
7
8 4
1
4 4
15
16 5
11
16 1
1
8 1
3
8
1
1
4 — — 2
11
16 2
15
16 3
1
4 3
1
2 44
1
4 4
1
2 5
5
16 5
3
4 1
3
8 1
3
4
1
1
2 — — 3
1
8 3
1
2 3
3
4 4
1
8 4
3
8 4
3
4 7
7
16 6
3
16 1
5
8 2
2 — — — 3
3
4 44
1
2 4
3
4 55
3
4 6
1
2 1
7
8 2
1
2
2
1
2 — — — — 4
1
4 4
3
4 55
3
8 66
3
4 2
1
8 3
3 — — — — — 5
1
8 5
3
8 5
3
4 6
3
8 7
1
8 2
5
8 3
5
8
3
1
2 — — — — — — 5
5
8 66
3
4 7
1
2 2
7
8 4
1
8
4 — — — — — — — 6
1
4 7
1
8 7
7
8 3
1
4 4
5
8
5 — — — — — — — — 8 8
3
4 45
1
2
6 — — — — — — — — 8
3
4 9
1
2 4
3
4 6
1
2
Available in steel/malleable iron (steel through 1")
with nylon-insulated throat — with or without
Series 106 bonding locknut
Also available in aluminum without insulated throat
When used with neoprene O-ring, provides watertight
threaded hub on enclosures
UL Listed 105° C
Look for the unique T&B blue color ensuring
the highest quality fitting
A-16
United States
Tel: 901.252.8000
800.816.7809
Fax: 901.252.1354
Technical Services
Tel: 888.862.3289
www.tnb.com