AN849 Rev 12
Thread C
M
Dash
Hose ID
A
B
Ref
inches (mm)
number
inches (mm)
inches (mm)
inches (mm)
SAE-AS8879
4
.250 (6.35)
1.938 (49.23)
.438 (11.13)
.4375-20UNJF-3A
3.625 (92.08)
6
.375 (9.53)
1.969 (50.01)
.469 (11.91)
.5625-18UNJF-3A
3.719 (94.46)
8
.500 (12.70)
2.000 (50.80)
.500 (12.70)
.7500-16UNJF-3A
3.781 (96.04)
10
.675 (17.15)
2.031 (51.59)
.531 (13.49)
1.875 -12UNJ-3A
3.844 (97.64)
.750 (19.05)
2.167 (55.04)
1.0625 -12UNJ-3A
3.906 (99.21)
12
.563 (14.30)
16
1.000 (25.40)
2.167 (55.04)
.563 (14.30)
1.3125-12UNJ-3A
3.906 (99.21)
20
1.250 (31.75)
2.167 (55.04)
.563 (14.30)
1.6250-12UNJ-3A
3.938 (100.03)
24
1.500 (38.10)
2.167 (55.04)
.563 (14.30)
1.8750-12UNJ-3A
4.000 (101.60)
Dash
S
number
inches (mm)
4
.688 (17.48)
6
.813 (20.65)
±.004 (0.10)
8
1.000 (25.40)
10
1.125 (28.58)
±.005 (0.13)
12
1.375 (34.93)
16
1.625 (41.28)
±.016 (0.41)
20
1.875 (47.63)
24
2.125 (53.98)
±.020 (0.51)
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified tolerances are ±.016 inch (0.41 mm).
4. Break sharp edges .and remove all hanging burrs and slivers
5. Machined surfaces shall be finished to 125µ in Ra, forged surfaces shall be 250µ inches Ra, unless
otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1.
6. For design features purposes, this standard takes precedence over documents referenced herein.
7. Referenced documents shall be of the issue in effect on date of invitation for bid.
FIGURE 1. Nipple dimensions and configuration - Continued.
REQUIREMENTS:
Dimensions and configuration shall be in accordance with figure 1.
Materials and finishes shall be in accordance with SAE-AS4843, see table I for material code.
2
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